To do this, scientists have to devise methods using radar and underwater television.

为此，科学家还设计出使用雷达和水下电视的方法。

youdao

To do this, scientists have to devise Methods: Using radar and underwater television.

为此，科学家还要设计出使用雷达和水下电视的方法。

youdao

To do this, scientists have to devise Methods: Using radar and underwater television.

为此，科学家还要设计出使用雷达和水下电视的方法。

youdao