reference levels中文什么意思

例句与用法

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1. This is the most convenient reference level for most electrostatic problems .
   对大多数的静电问题来说，这是最方便的参考点。
2. This fixture should be provided with a reference leveling surface, so that it can be kept level as the balance deflects .
   这种装置应该有一个水平基准面，以便在天平变形时能够使之保持水平。
3. Reference levels for narrow - band masking noise
   窄带掩蔽噪声的基准级
4. Accuracy reference level : 2 db
   精度参考电平
5. " are the reference levels determined in advance taking into consideration of the above factors
   就是考虑了这些因素而预先制定的参考剂量水平。