Selectiondifferential and genetic gains are also estimated.
计算了优树的选择差和遗传增益。
2
The selectiondifferential 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。
3
Application of differential scanning calorimetry (DSC) to analysis of composition, selection of ingredients and evaluation of quality etc of the compounds were related.