Clinical trials on people are conventionally divided into three phases , each more rigorous and wide-ranging than its predecessor .
对人的临床实验照惯例分为三个阶段,每一个阶段都比前一个阶段更严格更广泛。
The alabaster beluga 's dark cousin , the narwhal is not a conventionally beautiful animal .
作为雪花白鲸的黑色堂兄,独角鲸并不是一种传统的美丽动物。
Our review indicates that there is currently no evidence to support the selection of organically over conventionally produced foods on the basis of nutritional superiority .
我们研究表明在营养价值的优越性上,当前没有证据支持有机挑选的食品比传统生产的食品更好。
She was conventionally educated at public school .
她在公立学校接受了常规教育。
Jewellery has conventionally accounted for the lion 's share , but it has been declining in both absolute and proportional terms .