求翻译：在热压缩变形初期，应变量较小，在压缩后的试样中主要以孪生变形为主；随着变形的继续，应变量继续增大，在这种条件下试样经历了晶粒长大的过程，这过程可以细化晶粒，降低变形抗力，在对镁基复合材料机械加工时，可以选取适当的变形条件得到优良的产品。是什么意思？

Early in the hot compressive deformation, strain small twinning mainly in the compressed samples; continue deformation variables continue to increase under such conditions, the sample experienced grain growth process, this process can refine the grain to reduce the deformation resistance in the mach

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In the hot compression deformation initial period, should the variable be small, in compression test specimen mainly by twin distortion primarily; Along with the distortion continuation, should the variable continue to increase, the test specimen has experienced the crystal growth process under this

In the early hot compression deformation, strain from smaller, mainly in the compressed sample deformation twins; as deformation continues, strain volume continues to increase, in this sample has undergone under the conditions of grain growth process, this process can be refined grains, reducing the

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