麦克风还具有一个最佳的繁殖和清晰的声音频率范围扩展响应，而一些特别的冲击，安装允许麦克风元素运动处理噪音大大降低。
The mic also features an extended frequency range response for optimum reproduction and clear sound, while special shock-mounting allows movement of the mic element to greatly reduce handling noise.
变电站的系统频率由电力网的有功负荷来决定，当系统频率超出允许范围时，应及时调整所带负荷以稳定系统频率。
System frequency of substation is dependant on active load of power grid. when system frequency exceeds allowable limits load shall be regulated immediately for stabilization of system frequency.
一个极宽的可编程频率范围允许时钟以一个1ms至9.5小时的周期运作。
An extremely wide programmable frequency range allows the clock to operate with a period from 1ms to 9.5 hours.
用有限元传递矩阵法分析火炮身管固有振动特性，矩阵阶次低，计算所得的固有频率与实际固有频率接近，误差在允许的范围内。
Matrix step is low by using the finite element transfer matrix method. Natural frequency by calculation approaches to actual natural frequency and the error is allowable.
它可把火花放电频率控制在允许范围内。
It may limit the amount of sparkover to an acceptable rate .
它可把火花放电频率控制在允许范围内。
It may limit the amount of sparkover to an acceptable rate .
应用推荐