Experiment results prove that the expression of frequency spectrum is of clear, definite and simple physical meaning.
实验结果表明，该谱表达式物理意义明确，表达简单、清晰。
The expression of the matching law is simple and clear, but there are some limits in its applications.
匹配规律表达式简单明确，但实用范围却很有限。
Compared with the traditional method, the new one is clear in physical conception, simple in expression, accurate in calculation, and convenient for computer operation as for optimum design.
与传统的方法相比，该法物理概念清楚，表达式简单明了，计算结果精确，便于电算和优化设计。
Compared with the traditional method, the new one is clear in physical conception, simple in expression, accurate in calculation, and convenient for computer operation as for optimum design.
与传统的方法相比，该法物理概念清楚，表达式简单明了，计算结果精确，便于电算和优化设计。
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