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比较了连续波声场和脉冲波声场的分布特性及异同点。
The acoustic field of the pulse wave source is measured.
youdao
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根据实验结果对药品质量及检验方法的异同点加以评价。
According to experiment, evaluation on drug quality and check methods.
youdao
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根据实验结果对药品质量及检验方法的异同点加以评价。
According to experiment, evaluation on drug quality and check methods.
youdao