An indication of the candidate chosen by the random selection mechanism.

一种指示，表明随机选择机制选中的侯选者。

youdao

The method of operation, indication and mechanism were introduced.

介绍了手术方法、适应证及手术机制。

youdao

The method of operation, indication and mechanism were introduced.

介绍了手术方法、适应证及手术机制。

youdao