Selection differential and genetic gains are also estimated.
计算了优树的选择差和遗传增益。
The selection differential on a phenotypic trait was a necessary condition for fish to cause evolution, and also the evolutionary change caused by fishing were likely to be hard to reverse.
目前，导致这些变化的原因还不是很清楚，但捕捞选择性很可能是造成鱼类表形性状变化的主要原因。
Application of differential scanning calorimetry (DSC) to analysis of composition, selection of ingredients and evaluation of quality etc of the compounds were related.
叙述了差示扫描量热仪(DSC)在橡胶组分分析，橡胶配合剂的选择，橡胶的质量评价等橡胶配方研究中的应用。
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