major route

It can be stated that sexual intercourse is major route of HIV transmission.

这种情形在今天的美国很普遍,因为太多的妇女是hiv呈阳性者.

Consumption of contaminated aquatic products is a major route of human exposure to organochlorine pesticides ( OCPs ).

水产品的摄入是人体暴露于有机氯农药的主要途径之一.

As a province joint to Southeast Asia countries directly, Guangxi is not only the major route way for Southeast overseas Chinese coming back to homeland, but also is one of the places most concentrated overseas Chinese farms.

广西作为与东南亚国家直接对接省份，不仅是当年东南亚归侨、难侨回到祖国的主要通道，而且也是中国华侨农场最集中、安置归难侨最多的省份之一。

The results demonstrate that amino acylation reaction is the major route of metabolism.

结果表明氨丁苯酞体外代谢转化以氨基酰化反应为主。