在做了很多试验之后，他们发现了一种新方法。

Having made a lot of experiments, they discovered a new method.

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均匀设计是一种试验设计的新方法。

Uniform design is a new method for test design.

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均匀设计是一种试验设计的新方法。

Uniform design is a new method for test design.

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