Analyzing the variation of the nozzle arc parameters at current zero, in addition, analyzing the breaking property of the studied circuit breaker on the basis of the theory.
分析了电流过零时喷口内电弧参数变化的原因，此外，从理论上对所研究的断路器的开断性能进行了分析。
Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.
针对单纯采用相电流判据的不足之处，本文提出增加零序电流、负序电流及电流变化量判据，以有效地避免保护误动或者拒动。
In order to make sure the magnetic field distribution around the magneto optical trap cold atoms, the weak variation and distribution around the zero point magnet field can be analyzed.
为了研究磁光阱冷原子团所在区域的磁场大小，从而得出磁场零点附近磁场的微弱变化及其分布。
Finally, the variation of the normalized covariance function of intensity with different strengths of turbulence under zero inner model is discussed in detail.
最后讨论了零内尺度模型下归一化强度协方差函数随湍流强度的变化情况。
It features simple and accurate displacement variation, ability in cross-zero operation and fast response and is suitable for transportation vehicles and construction machinery applications.
它具有机构简单、变量准确、能够过零点操作以及响应速度快的特点，适用于运输车辆及工程机械等场合。
When the variation rate of field intensity is more than zero, plants absorb negative ions and form a downward plant nourishment transport electric current;
场强变化率大于零时，植物吸收阴离子，形成方向向下的植物养料输送电流（以下简称植物电流）；
According to the development condition of zero flux plane, it can be divided into steady condition equation and variation condition equation.
在计算时段内，根据零通量面发育状态不同可分为零通量面稳定条件下的计算公式和零通量面移动条件下的计算公式。
If there's little variation in color across the block, the weights of most of those frequencies will be zero or near zero.
如果元块内颜色变化范围不大的话，大多数这些频率的权重都是0或接近0。
If there's little variation in color across the block, the weights of most of those frequencies will be zero or near zero.
如果元块内颜色变化范围不大的话，大多数这些频率的权重都是0或接近0。
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