由于AD 7520中没有基准电路，所以在查阅了大量资料的基础上，正向设计了一款带隙基准源，并与AD 7520集成在一起。
Since there is not the referenced voltage circuit, we have read a lot of information and designed a kind of bandgap source integrated with AD7520.
作者查阅了大量文献及互联网资料，明确了吊舱式电力推进系统的结构与工作过程。
The author refers to lots of literatures and datum on internet, and understands the structure and working process of the podded propulsion.
在这个题目选定之前的一段时间内，笔者查阅了大量的文献资料，试图给“金鱼网络文化”这个概念予以明确的定义。
Before this topic was selected, the author read a lot of literatures. trying to give the clearly concept of "the Internet culture of goldfish".
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