在过去四分之一个世纪，它已成为主要学说认为，抑郁症是一种化学问题。
Over the past quarter of a century it has become doctrine that depression is primarily a chemical issue.
在肺气肿的发生中弹力酶失衡是主要学说之一，本研究旨在利用弹力酶建立地鼠肺气肿模型，寻找防治肺气肿的药物及探讨其作用环节；
This study aims to set up the emphysematous model, and find a kind of drug to inhibit the development of emphysema and the way in which the drugs play the roles;
该理论的可信性主要在于生物学视自然选择为正统学说。
Its credibility depends largely on the reflected glamour of natural selection which biology proper is said to legitimise.
应用推荐