常見例句雙語例句Heat stress reduced the conception rate in gilts (Pbut did not influence the sows.熱應(yīng)激降低了初産母豬受胎率（P＜0．05），而對(duì)經(jīng)産母豬無影響；She found that young women in Denmark have a significantly lower natural conception rate than in past decades.她發(fā)現(xiàn)，丹麥的年輕婦女的自然受孕率比過去的數(shù)十年要很明顯地低。'When a cow is in heat, she's more active, ' he says. 'If we can record those things, we can greatly improve the conception rate of cows. '他說，“嬭牛發(fā)情的時(shí)候就會(huì)更爲(wèi)主動(dòng)，如果能記錄下它們儅時(shí)的行爲(wèi)特點(diǎn)，我們就能顯著地提高嬭牛的受孕比率?！?/li> 返回 conception rate