It is composed of a desk system, a test system and a power system and can carry out experimental research work.

该试验台由台架系统、测试系统和动力系统三部分组成，可以完成主要机理的试验研究工作。

youdao

In class one day, Mr. Johnson pulled Johnny over to his desk after a test, and said, "Johnny, I have a feeling that you have been cheating on your tests."

考试后的一天，约翰逊先生在课堂上把强尼拉到讲台旁边问道：“强尼，我认为你在这次考试中作弊了。”

youdao

In class one day, Mr. Johnson pulled Johnny over to his desk after a test, and said, "Johnny, I have a feeling that you have been cheating on your tests."

考试后的一天，约翰逊先生在课堂上把强尼拉到讲台旁边问道：“强尼，我认为你在这次考试中作弊了。”

youdao