什么是系统工程（字幕）23

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那这里没有出现

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我们可以把它从这里再拖上来

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但是这个地方不够

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我们把这个地方放大一点

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但是你看，现在拖住这个是没法放大的

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你首先得选中这个框

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它这个有点

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操作有点迷惑

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你点这里是出不来什么东西的

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出来是图的（属性）

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它把这个框，跟这个图

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你看，这个是框

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你看，隐掉框

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但是图还在哦

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这个是图

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这个是框

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这出来了？

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出来就出来了

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这有点迷惑

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我们调一下那个框大小

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右键点这个框

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它这个有点

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迷惑性

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点到这个框这里

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点这个图

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这个不对

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点这个框，这有点

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这时候，这个框就可以变大变小了

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这样

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那把这个挪到这边来

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这边净水

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废热

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你看它位置

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净水废热

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在右下角

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这里

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下来一点

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然后呢

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这个外部热

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左上角，下来一点

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这样

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对吧

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好

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那

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这个时候，我们还差一个什么

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接下来是这个

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这里有个

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stream，就是这个

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流这样一个概念

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那这个什么意思

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就是说

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表示说

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一个持续的，在行为持续过程中

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它依然可以有这个输入进来的

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不断的进来的

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如果没有这个的话

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意味着什么

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它是一次一次送的

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送完这个，消耗完之后

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这个相当于一个加工机

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这个输入进来

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它在里面加工，吐出这个输出

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对吧

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如果没有这个

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意味着，这批进来之后

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加工完了，再进下一批

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对吧

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等这里面这些操作

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嘎嘎嘎嘎嘎嘎搞完了

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到这里，再进下一批

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而这个是说什么

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在这个过程中

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比如说，我现在处在这一点上

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依然可以不断地进入

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这样来

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所以这个有个这个

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那这个在哪里呀

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也是参数里面的

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这个地方，在下面

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往上一点

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这里

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这个地方选上

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但是呢，它这里要变成一个

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这种

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像它这样的一个显示

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怎么显示

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这个我就不知道了

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这个大家可以自己琢磨一下

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怎么在这里设置

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好

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这是

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这个活动的

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参数

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那么，接下来我们就来描述里面的

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这个了

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a1、a2、a3这个

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那a1是

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加热水，对吧

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这个是煮沸水

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那这些也同样是什么

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也同样是

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它的参数

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对不对

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也就是说，加热水有一个参数

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也是这个冷水脏水

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这个是

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加热水的那个热

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这个是热的脏水

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对吧

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然后呢

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这个

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是煮沸水的热

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然后热脏水进来

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然后煮沸

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然后蒸汽出来

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蒸汽出来，对吧

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那我们先把这个东西的参数给加上

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水，热，水

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对吧

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在这里

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那就说明这个东西

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加热水这个活动

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就有这个参数了

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加热水在哪里

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这里

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同样，跟刚才一样的，添加参数

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叫什么

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也是冷脏水

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冷的污水

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进来

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然后呢

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它的类型一样的

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跟刚才是一样的

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好

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这是进来的

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还有一个是

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加热水的热量

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同样是热

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好

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还有一个是输出的

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热的污水

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热的污水

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污水

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这同样也是水

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但是这个是，这里

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这个是输出的

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好

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这个有了

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你看，我们把它拖上来

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这就是一个

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调用，加热水

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然后把它的那个

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这个问，你要不要把它里面包含的结构给加上

165
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那都加上，这几个参数都带上了

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OK 

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好

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你看，这里就有

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加热水，对吧

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冷的污水，对应在这里

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然后呢，往上挪

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热的污水

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在这边

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热的污水在哪边

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这边的中间这里

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加热水的热

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对着这个

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这样刚好一会我们就

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对着过来

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对着过来

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加热水

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