This is a clear expression of the will of the people.

人心的向背,于此可见.

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It effectively blocks flame dispersion and high temperature transmitting to back fire surface.

在阻止火焰蔓延的同时,也阻止高温向背火面传导.

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Side - on radiography technology can directly demonstrate the change of perturbation amplitude on target surface.

侧向背光照相能直接反映靶表面扰动幅度的变化情况.

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