Across geographic gradients, Levins expects allopatric races or coenospecies exist.穿过地理梯度, 莱文斯预料有分布区不重叠的小种或近群种.You often lose out when you bet on horse races.你在赌马时,常常输掉.The high point of this trip was a day at the races....
Their decision to abandon the trip was made because of financial constraints.他们决定放弃这次出游是因为财力有限。He is wanting in moral constraints.他缺少道德约束。Data and constraints can easily be changed to test theories.信息库中的数据和限制条件可以轻易地改变以检验...
A class must implement all members an interface which it directly inherits.类必须实现它从中直接继承的接口的所有成员.The best implement for digging a garden is a spade.在花园里挖土的最好工具是铁锹.This paper mainly introduced how to implement pointer type...