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1)  lower limit percenage
限下率
2)  lower frequency limit
频率下限
1.
In view of the possible problem of frequency conversion adjustment air compressor air valve working condition, this article carries on the mathematical analysis and the simulation to air valve when low frequency working,the lower frequency limit causes the compressor air valve normal work and does not have the detention closure had been determined.
针对应用变频调节的空压机气阀工作状况可能产生的问题,对空压机在低频运行时的气阀进行工作特性的数学分析与模拟,确定了使压缩机气阀正常工作及不发生延迟关闭的频率下限,对变频调节压缩机频率范围选择有一定参考作用。
2.
The lower frequency limit was determined when the compressor air valve works normally and does not presents delay closure.
对空气压缩机在低频运行时气阀工作特性进行了数学分析与模拟,确定了使压缩机气阀正常工作及不发生延迟关闭的频率下限,可供变频调节压缩机选择频率范围作参考。
3)  low limit frequency
下限频率
1.
The methods for calculating low limit frequency and coupling capacitance are discussed in detail.
详细讨论了下限频率和耦合电容的计算方法。
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4)  permeability limits
渗透率下限
5)  Collars [英]['kɔlə]  [美]['kɑlɚ]
利率上下限
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6)  acceptance threshold
认购率下限
补充资料：电导率(见电阻率)


电导率(见电阻率)
conductivity

d!日nd日O}已电导率(eonduetivity)见电阻率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条