pro.vis.ion.al|临时的暂时暂定的 #每日一词#

• However, it is also relevant in part to selection for seed orchards, which may entail "backward" selection (progeny testing) and involve provisional selection at an earlier age than is asso- ciated with optimal t (cf. eq. 1), to be followed by roguing on later information, or to clonal forestry where, in addition, nonadditive gene effects become relevant. (Burdon, 1989)
• A limitation of this system is that the initial list of provisional candidates may not include the highest value individuals in the test since male GCA is known only for the provisional candidate list. (Lambeth et al., 2001)