求国外论文搜索引擎的网站？

Seek foreign papers search engine site?

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对这种方案，本文建立了小信号分析模型，并在高功率条件下做了许多的数值计算研究，其结果与国外论文数据比对是相符合的，为以后的设计优化工作的进行奠定了理论基础。

The results of numerical calculation about this scheme agree with the information in the literature from abroad. It laid the foundation of the design optimization about this scheme in the future.

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论文第二部分介绍了国外机构投资者参与公司治理的实践活动和相关理论。

The second part introduced the practice and the related theories of the institutional investors abroad to participate corporate governance.

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