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- current ripple mark 流痕
- The dark-gray traction current deposits belong to internal-tide deposits, it develops sandstones and siltsands, and charactered with lenticular, wave, flaser bedding, bimodal cross-bedding and ripple mark. 深水牵引流沉积为内潮汐沉积类型，岩性为细砂岩、粉砂岩，以发育透镜状、波状、脉状层理、双向交错层理、波痕等沉积构造为特征。
- Maglev chopper is the switch mode current amplifier on EMS maglev train,and the input current ripple is significant. 悬浮斩波器是EMS型磁浮列车上的开关型电流放大器,由此造成输入电源的电流纹波较大。
- It features full-range ZVS, zero DC-bias magnetizing current, symmetrical voltage stress, low output current ripple, and better dynamic response. 搭配此方法之不对称半桥转换器具有全范围零电压切换、无直流偏磁问题、整流二极体有相同耐压、较低输出电流涟波以及较佳之动态响应。
- A multi-leg boost converter is designed in this system to reduce the output current ripple and increase the life time of fuel-cell. 燃料电池经由多臂式升压型直流-直流功率转换器供给负载能量，在相同的切换频率下，其燃料电池之输出电流涟波降低，以提高燃料电池使用寿命。
- The new modified formula not only meets with our experiment result, but also can explain the examples of relationship between the speed and the current ripple frequency of DC motors in the literature. 新的修正公式不仅能够解释文中的实验结果，也能满足以往文献提出的直流电动机转速与脉动电流频率之间的关系。
- The DC active filter (DAF), with very low current ripple, of the stable power supply system of high magnetic field device is developed by using the PWM and parallel active power filter technique. 摘要对稳态强磁场装置电源所需的直流有源滤波器(DAF)进行了设计，提出了利用PWM及并联有源滤波技术的滤波方案。
- The frequency of the current ripple caused by brush commutation in the DC motor is determined by the number of commutator bars, the number of asynchronous commutated brushes, and the rotation speed. 认为换向造成的电流脉动除了与转速有关以外还与换向片数以及不能同时换向的电刷个数有关。
- Modified formula for sensorless DC motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4-pole DC motor. 摘要根据4极直流电动机的转速与脉动电流频率关系的实验结果，对现有的无传感器直流电动机测速公式提出了修正意见。
- Surface quality of billets shall be free from all harmful defects like surface cracks, seams, laps, folds,scabs blowholes,deep ripple marks, aluminum patches, slag patches etc. 钢坯表面要避免一些瑕疵譬如裂纹，接缝，重叠，折痕，抓痕，深的波纹，斑点等。
- The water scarcely reached my waist; the sand was firm and covered with ripple marks, and I waded ashore in great spirits, leaving the Hispaniola on her side, with her mainsail trailing wide upon the surface of the bay. 水刚到我的腰问，脚下的沙滩很坚实，上面留有一道道波纹。 我精神百倍地涉水上了岸，任凭西斯潘尼奥拉号侧身倒在那里，也任凭它的主帆漂在小湾的水面上。
- Six sedimentary structures, ice split seams, ice slid marks, ice collapsed seams, ice induced pellets, ice eroded ripple marks and ice level marks, are newly found in Yellow River delta. 在黄河三角洲新识别出 6种冰冻沉积构造 :冰劈裂缝、冰成滑痕、冰塌裂缝、冰成球粒、冰蚀波痕和冰位痕。
- The basic DTC has simple structure and is easy to be realized,but it presents large torque and current ripples in low speed areas. Basic DTC的控制结构简单,易于实现,但低速时转矩和电流的脉动大。
- Based on practical experience, the authors put forward effective prevention methods to decrease the defects in sanding process, such as sanding marks, ripple marks and creases on fabric. 针对常见真丝绸砂洗的疵病,如砂洗痕、水玻璃皱、布面皱痕等,作者提出了有效的防止措施。
- Indicator of Outside Geologic Action: Ripple Marks 控制流水波痕的外部地质作用
- 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。
