The（）program means a program written in a high-level language. It is generally translated to an（）program, which is in a form directly understandably by the computer. The translation is usually done by a program called（）.

The translation is usually done by a program called（）

A．compiler

B．assembler

C．compile

D．transfer

变压器冷却方式ODAF代表（）。

A.自然冷却

B.强迫油循环风冷

C.强迫油循环水冷

D.强迫导向油循环风冷