电流的

According to the Law of Biot-Savart, the author concludes that there is an electric current which can distort the diurnal variations of the geomagnetic vertical component beneath the boundary line of the geomagnetic low-point displacement within and in the vicinity of the day of the geomagnetic low-point displacement anomalous.

作者依据Biot-Savart定律推测，在低点位移异常期间，在低点位移线下方有一引起地磁垂直分量日变化畸变的电流通过，且该电流为线状分布，或仅在垂直面内有分布，埋深一般认为几十千米。

When a lightning current or over-voltage reaches the threshold value of the zinc oxide resistor, the resistance of the zinc oxide quickly breakover and bleed the lightning current to the earth, thus protecting the circuit.

当有雷电流或者过电压达到氧化锌电阻的阀值时，氧化锌电阻迅速导通，将雷电流泄放到大地，从而对电路起到保护作用。

The key POints of the IEC method for calculating the short circuit current and its heat effect of a three-phase current system are described and elucidated specifically by examples.

介绍IEC三相交流系统短路电流计算方法的重点和短路电流热效应计算，并用例题介绍其具体使用情况。

The change of the conductivity of base oil after mixed with the particles was verified, and a thermal treatment of ER fluids to improve the ER property was proposed.

提出电流变液中基础液电导率在与固体颗粒混合后可发生改变，并据此提出了改进电流变液性能的热处理方法。

Analyze the mechanism of current transformer saturation and the influence to transient state characteristic of the current transformer.

分析了电流互感器饱和机理以及对电流互感器暂态特性的影响。

We also know that the ratio between collector current and emitter current is called α.

我们还知道集电极电流与发射极电流之间的系数是α。

Therefore, if we have a way of holding emitter current constant through a transistor, the transistor will work to regulate collector current at a constant value.

于是，只要我们能让晶体管的发射极电流保持恒定，它就能保持发射极电流为恒定值。

Ionic current signal was detected in progress of combustion in constant volume combustion chamber on this system.

利用火花塞离子电流法建立了相应的离子电流检测系统。

The new multilevel CSIs synthesize current wave from several levels of balance inductor currents.

该类拓扑通过合成分流电感的电流而获得多电平电流。

Under the current density, the current efficiency is higher than 99％.

在此电流密度下，测定的阴极电流效率大于99％。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。