很多雄鸟进化出鲜艳的羽毛是为了吸引雌鸟。The bright plumage of many male birds has evolved to attract females.雌鸟可能无法给幼鸟喂食。The hen may not be able to feed its young.雄鸟和雌鸟轮流孵蛋。Males and females take turns brooding the eggs....
这类似通过泰勒法展开各项所给出的逐次逼近法.This is analogous to the successive approximation given by the terms of a Taylor expansion.并举例说明了数值逼近法的具体应用.Some examples were given to il lustrate actual applications of this method.提出了一种改进的模值逼近法,用...