仪表显示电流的方向和量级。
电子被发现前，电流的方向就被确定了。
The direction of the current is decide before electron is discover.
观察此长线或利用仪表来显示电流的方向和量级。
View the magnetic field lines or use a meter to show the direction and magnitude of the current.
这些涡旋电流的方向能够引起圆盘跟随马蹄形磁铁旋转。
These eddy currents are in such a direction as to cause the disk to follow the rotation of the horseshoe magnet.
感生电流的方向是这样的，使得感生电流反抗产生它自己的那个原因。
The direction of an induce current is such as to oppose the cause producing it.
已经证明，感应电压使电流的方向与产生电流的磁场力方向相反。钵。
It has been proved that induced voltage causes a current to flow in opposition to the force producing it.
逆功率继电器逆功率继电器是指带瓦特计的继电器，用来感知电流的方向。
Reverse power relay a reverse power relay is a relay with a wattmeter movement that senses the direction of power flow.
根据开关的位置与流入电枢时电流的方向，电动机开始顺时针或逆时针旋转从而使座椅根据需要进行调整。
Depending on the switch position and the direction of current to the armature, the appropriate motor will either revolve clock-wise of counterclockwise to produce the desired seat movement.
这一方向的转变会将角动力(angular momentum)传递到域壁(the domain wall)上，推动域沿着电流的方向移动。
That flip transfers angular momentum to the domain wall, pushing it along in the direction of the current.
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
当没有电流流通时，电极之间的电压差驱动电子反方向流动。
When no electricity is delivered, a voltage difference between the electrodes drives a current in the other direction.
理论上讲，这种机械切换电流通断或方向的方法，或许有一天会成为任何纳米尺度电路的关键元件。
In theory, this could one day provide a key component of any nanoscale electrical circuit-a way to mechanically turn the current on and off or change its direction.
当电流通过这样一根电线时，电流间的电子被迫调整其自转方向，以吻合电线上原有电子的自转方向。
When a current flows in such a wire, the electrons that flow as electricity are forced to align their spins to those of the local atoms embedded in the wire.
在尝试缠绕超导电流之后，Martini和她的小组测量了电流方向，共3410万次。
After attempting to entangle the superconducting circuits, Martinis and his team measured the directions of the currents 34.1 million times.
沿着一个方向流动的电流叫做直流电。
The current flowing in one direction is called direct current .
交流电是其方向周期地变化的电流。
Alternating current is the current whose direction changes periodically.
所产生的加热作用与电流像哪个方向流动无关。
The heating produced does not depend on which way current is flowing.
直流电是总是沿同一方向流动的电流。
A direct current is a current flowing always in the same direction.
提出了地震与地下电流方向异常变化间的一种关系。
A relationship between the earthquake occurrence and the abnormal variation of directions of earth current is proposed.
交流电与直流电的不同之处在于交流电不断地改变其电流流动方向。
Alternating current is different from direct current in that it constantly changes its direct of flow.
请注意，由于采用了约定的电流方向，因此每个元件中的电流是沿着电压下降的方向流动。
Note that conventional current flow is used, hence the current in each element is shown in the direction of decreasing voltage.
这条用他的名字命名的定律，是判断感生电流方向的极有用的定则。
The law which goes by his name is a useful rule for predicting the direction of an induced current .
传统的电流方向是逆时针方向。
The direction of conventional current flow is counterclockwise.
利用四位双向移位寄存器等电子元件可制作能直观显示直流电流方向的模拟演示仪。
Four-bit bidirectional shift register was used to produce the device for demonstrating the direction of direct current.
楞次定律指出感生电流所流动的方向，是要对抗产生的电流改变。
Lenz's law states that the induced current flows in a direction such that it opposes the change producing it.
改变励磁电流的大小和方向可以控制直流磁通的大小和方向。
The magnitude and direction of this magnetic flux can be controlled in agreement with the magnitude and direction of the field current.
本文讨论了利用地下电流方向异常变化预报地震可能性的理论问题。
The present paper discusses the theoretical problems concerning the possibility of predicting earthquakes in the light of the abnormal variation of directions of earth current.
当导体的自由电子只以一个方向运动时，这样产生的电流叫做直流电，常缩写为。
When the free electrons in a conductor move in one direction only. The current thus established is called a direct current, which is often abbreviated to DC.
装在线路中的二极管像一个只允许电流按一个方向流动的阀门。
A diode placed in a circuit ACTS like a value, allowing current to flow in only one direction.
装在线路中的二极管像一个只允许电流按一个方向流动的阀门。
A diode placed in a circuit ACTS like a value, allowing current to flow in only one direction.
应用推荐