Preparation of coating microscopic sample is very difficult than general metal material.

与一般金属材料不同， 金属镀层金相试样制备的技术难度要大得多。

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A high precision control system of worktable is the important part in modern advanced microscopic system, its re-orientation accuracy affects the sample observation quality of microscope directly.

高精度工作台控制系统是现代自动显微系统的重要组成部分，其精度直接影响显微镜对样品的检测质量。

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Besides, the deformation mechanism of the soil is explained from the microscopic aspect based on the contrast of the undisturbed sample and the failure sample by cyclic triaxial test.

另外，将原状土和循环三轴试验破坏后两种状态的土样作了对比，从微观的角度解释了土体的变形机理。

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