We had plenty of design margin and tested multiple samples.

我们已经进行了冗余设计，并测试了很多样品。

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For such a series it is usual to design a standard margin.

对于这种系列图幅，通常是设计一种标准图廓。

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For such a series it is usual to design a standard margin.

对于这种系列图幅，通常是设计一种标准图廓。

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