Measured in decibels, noise intensity can range from zero, the quietest sound the human ear can detect, to over 160 decibels.
按分贝计算，噪音强度可以从零（人耳所能感到的最低声音）到160分贝以上。
In standing wave method, the sound is not perfect standing wave, so the swing is not zero at wave knot.
驻波法中形成的声场不是理想驻波场，且波节处振幅不为零。
Zero-crossing detector is capable of predicting the shape changes of power spectrum so as to find the newly emerged moving sound sources in ambient noise.
过零检测器可以通过预报功率谱形状的变化来发现环境噪声中新出现的运动声源，研究了过零检测器的检测性能。
The fault phase selector discussed is based on the result that the fault component of sound phases is zero when a single-phase-to-ground fault occurs.
文中所探讨的相电流突变量选相元件，是利用单相接地故障时，两健全相相间电流突变量为零这一特征来得到的。
Meanwhile we also boast sound system of teaching information and feedback in order to offer our customers zero-distance service.
同时我们拥有完善的教学反馈和辅导系统，进行零距离的服务。
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1 : reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.
声学。测听设备校准用参照区。第1部分：纯音和耳挂式耳机的参考等效阈声压级。
The repetition of the ultrasonic sound and the experiment of zero velocity in gas flowmeter are tested using this speed measurement system.
利用该测速系统，进行了超声波的重复性测试，以及在以空气为介质的零流实验。
The experiment showed that in the melon slices there were some points where the sound pressure attenuation coefficient were negative value or zero.
实验表明额隆内有若干点声衰减为负值及零值、意味着声波沿这些点传输时、声压非但不减小反而增大了。
Growth of 6.8% may still sound pretty robust, but it implies that growth was virtually zero on a seasonally adjusted basis in the fourth quarter.
8%增长率可能听起来非常不错，但是根据季节性调整基数来算，其增长率实际已经为零。
This may not sound much compared with the numbers of Chinese in the US, Australia, or southeast Asia, but in Russia Chinese settlement started from a zero base a decade ago.
和生活在美国、澳大利亚或东南亚的华人数量相比，这可能不算什么，但是在俄罗斯，中国人的定居始于十年前的零基础。
This may not sound much compared with the numbers of Chinese in the US, Australia, or southeast Asia, but in Russia Chinese settlement started from a zero base a decade ago.
和生活在美国、澳大利亚或东南亚的华人数量相比，这可能不算什么，但是在俄罗斯，中国人的定居始于十年前的零基础。
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