对该化合物晶格常数的测量误差可以达到10-4，基本上满足了对一般位移型相变测量要求的精度。
The errors of lattice constant of compound are able to achieve 10-4, which basically meets the demand for measuring precision in displacive phase transition.
射线热膨胀测定法可以用来研究位移型相变中的热膨胀问题。
Therefore it is a good way for X-ray dilatometry to investigate the issues of thermal expansion in displacive phase transition.
对该化合物晶格常数的测量误差可以达到1-0 4，基本上可满足对一般位移型相变测量要求的精度。
The errors of lattice constant in this compound were able to achieve 10~(-4), which basically met the measuring precision in displacive phase transition.
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