After the world wars , europe never regained this fecundity .
世界大战之后,欧洲再也没有恢复这种繁殖力。
Fecundity and frustration sum up the state of brazil these days .
富饶和困惑,是现在巴西这个国家的写照。
In the worst places , fecundity tends to track instability .
在最惨的地方,越是动荡人们越是多产。
They set out to discover whether female competition accounted for these impressive armaments , and whether there was a trade-off between horns and fecundity .
他们开始探索雌性动物竞争时是否产生了这些惊人的武器、角与繁殖力两者之间是否需要相关?
In only 14 years from now , thanks largely to the buffalo 's natural fecundity , apr will have over 5000 buffalo , the largest conservation herd on the planet .