They have intimate knowledge of the subject being investigated.
他们对所研究的题目非常熟悉。
They have intimate knowledge of the subject being investigated. (which is being investigated).
他们对所研究的题目非常熟悉。
In subject, the born subject and investigated subject are discussed.
在主体方面，主要包括承担主体和追究主体。
In subject, the born subject and investigated subject are discussed.
在主体方面，主要包括承担主体和追究主体。
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