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- current reversing key 电流换向开关,电流换向键
- Reverse key index cannot be used for range scan. 回复：建了反向索引，为什么系统不使用索引了?
- Reversing the direction of the current reverses the directions of its lines of force. 倒转电流的方向也就倒转了它的磁力线的方向。
- Alternating current reverses from negative to positive about 60 times a second. 交流电由负到正一秒钟大约变换六十次。
- Alternating current reverse from negative to positive about 60 times a second. 交流电由负到正一秒钟大约变换六十次。
- However, at turn-off, the diode current reverse for a reverse recovery time trr before falling to zero. 然而在关断时，二极管的电流在降至零之前有一个反向恢复时间。
- However, as specified in the thruster data sheets, the thruster current reverses itself before becoming zero. 然而,半导体闸流管数据表显示,半导体闸流管电流在降到零之前产生反向电流。
- A type of micro-ohmmeter based on the technique of current reversed 4-line impedance measurement is designed, which can be testified to meet the requirement and have a good repeated accuracy. 摘要设计一种基于四线制电流倒向技术的微弱电阻测量仪，经实验验证，该测量仪可以很好地满足测量要求，并具有良好的重复测量精度。
- The system of alternating current reversible regulate speed based on the distributed I/O is a new kind of electrical driver method and it builds upon the computer technique, and develop quickly. 分布式I/O控制的交流调速系统是在计算机技术的基础上发展起来的一种新的运动控制方式,并正在迅速发展中。
- Demand is outstripping current production. 现在需求逐渐超过了生产能力。
- She broadcasts on current affairs. 她发表时事广播演说。
- Our language goes current along the seacoast. 我们的语言通用于沿海一带。
- You may open a current account at a bank. 你可以在银行开立一个活期帐户。
- I'd like to open a current account with you. 我想在你们这儿开一个活期存款帐户。
- He made some comments on current topics. 他对时事问题做了若干的评论。
- The swimmer was swept away by the current. 那个游泳的人被激流卷走了。
- He is interested in current affairs. 他对时事感兴趣。
- She had to swim against the current. 她必须逆著水流往上游。
- reversing key 换向电键
- This button switches the current on. 这个电钮接通电流。
