The exact mode of transmission is still under investigation.

准确的传播方式仍在调查之中。

youdao

And the mechanical mode of transmission, AIDS in this way is not feasible.

而机械性的传播方式，在艾滋病此种方式亦不可行。

youdao

The aerosol mode of transmission has also led to infection in laboratory workers.

浮质传播模式也导致实验室工作人员发生感染。

youdao

First, Mr Dawkins wants to subvert the mode of transmission between parent and child.

ECONOMIST: Religion

That seems to be the most common mode of transmission.

CNN: The story

In Asia as in Africa, sexual behavior is the largest mode of transmission, but studies have shown that people in India have fewer sexual partners and fewer partners outside of marriage, and increasingly are delaying sex and marriage.

NPR: U.N. Updates Status of World AIDS Crisis