As a typical means of acquiring corporations, listed company acquisition is a security exchange transaction that essentially aims at gaining the control of a company.

上市公司收购是公司收购的典型形式，其本质是为了取得上市公司的控制权而进行的证券交易行为。

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Now the typical means to measure residual stress are polariscope, X-ray diffraction, neutron diffraction, ultrasonic and so on.

国内外在测试应力方面主要采用偏光仪、X射线应力测试仪、中子衍射应力仪、超声波应力测定仪等现代测试手段。

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Now the typical means to measure residual stress are polariscope, X-ray diffraction, neutron diffraction, ultrasonic and so on.

国内外在测试应力方面主要采用偏光仪、X射线应力测试仪、中子衍射应力仪、超声波应力测定仪等现代测试手段。

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