这是一种比较易学的技术。这种方法适用于简单的测试，也是其他方法不适用时的万能钥匙。

One of the easier styles to learn, this method can work well for simple tests and tests that can't be represented well by other methods.

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实验表明，这是一种切实可行的试验方法，具有设备简单、测试快速而准确的特点。

Experiments show that such a type of test proves to be practical and feasible, with the features of simple devices and rapid and accurate measurements.

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实验表明，这是一种切实可行的试验方法，具有设备简单、测试快速而准确的特点。

Experiments show that such a type of test proves to be practical and feasible, with the features of simple devices and rapid and accurate measurements.

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