查询词典 Humboldt Current

In alternating current the motion of the charges is periodically reversed; in direct current it is not.

在交流电中，电荷流动会定时的反向，而在直流电中则不会。

The resistance of a conductor is not constant for alternating current as it is for direct current.

导体的电阻对于交流电来说并不像它对于直流电那样是恒定的。

An electronic device which converts alternating current to direct current.

一种将交流电转换成直流电的电子设备。

The flowing of current first in one direction and then in another makes an alternating current.

电流先向一个方向流动，然后又向另一个方向流动构成交流电。

A device used to convert direct current into alternating current .

它表达了流动资产与流动负债之间的关系。

Furthermore, the deposition rate increases per unit of welding current by decreasing wire diameter, and adjustment of the penetration depth is enabled by alternating current wave form and polarity.

减少焊丝直径，能提高熔敷效率，再加上使电流波形交流化，就可以调整熔深。

Aluminium foil of different purity was etched by chemic and alternating current method in this dissertation,and we find that alternating current method excels.

本文采用不同纯度的铝箔，对其进行化学腐蚀和交流电腐蚀，结果发现铝箔的交流电腐蚀要优于化学腐蚀。

Products and Service: DN series data-controlled alternating current projectiong welder ZDN data-controlled commutate spot welder UN data-controlled commutate spot welder DKR\DR capacitance energy storing spot welder FN alternationg and ZFNcommutate sewing welder DM direct current pulse spot welder seam welding machine of protectiong by gas for recti or cirol seam varity of special seam welding machine for poine stich AND DKR-350 capacitance energy storing spot welder has been certified whit national patent and DTN-100/DTN-150 has been honored with technology innovation award.

现主要产品有： DN系列数控交流式点凸焊机。 ZD数控次级整流式点焊机。 UN数控交流对焊机。 DKR、DR电容贮能式点焊机。 FN交流式和ZFN次级整流式缝焊机。 DM直流脉冲式电焊机。直、环缝气体保护焊接专机。各类焊接生产线。其中： DKR-350电容贮能式点焊机获国家专利。

When the cables use in alternating current system, rated voltage of cables should be at least equal the rated voltage of the system; When the cables use in direct current system,rated voltage should be not greater than 1.5 times of the rated voltage of the cables .

当电缆使用于交流系统时，电缆的额定电压至少应等于该系统的额定电压；当电缆使用地直流系统时，该系统的额定电压应不大于电缆额定电压的1.5倍。

According to the basic principle of alternative current field measurement,the alternative current field sensor was designed,which was made up of drive coil and induction coil .

根据交变磁场测量法的基本原理，设计了一种由激励线圈和感应线圈组成的交变磁场传感器，可对空间"点"磁场进行测量。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？