我们能很容易地同时观测V407Cyg和3c 454.3。

We can easily point at V407 Cyg and 3c 454.3 at the same time.

youdao

同时，采取扫描取样法，观测蒙古野驴的主要行为种类及其时间分配。

Also the scan sampling method was used to observe main behavior types and time pattern.

youdao

同时，采取扫描取样法，观测蒙古野驴的主要行为种类及其时间分配。

Also the scan sampling method was used to observe main behavior types and time pattern.

youdao