weight optimization combination

• 权重最优组合

weight optimization combination的用法和样例：

例句

1. The maximal spike position for individual grain weight of spikelet was lower than the maximal spike position for grain weight of spikelet.
   平均单粒重随氮肥水平的增加先增加后减少，小穗单粒重最大的穗位低于小穗粒重最大的穗位。