Reliablity and validity are eternal motif of language testing.

摘要信度与效度是语言测试永恒的主题.

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The advantages of the die are rational design, good reliablity and high economic protential.

该模具设计合理, 可靠性好,经济效益特别显著.

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DXC based network is an effective method to improve the reliablity of fiber network.

建设以DXC为基础的网络是提高光缆干线传输网生存性、可用性的有效方法.

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