By employing the characterization methods of X-ray and DSC, this paper conducts a research on films of different stretch ratio.
通过X—射线、DSC等表征手段，我们对不同拉伸程度的薄膜进行了研究。
By employing the characterization methods of X-ray and DSC, this paper conducts a research on films of different stretch ratio.
通过X—射线、DSC等表征手段，我们对不同拉伸程度的薄膜进行了研究。
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