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- It is a new scheme for the miniaturization and lightening of the on-board traction transformers that to achieve transformerless AC drive system by use of DC chopper. 利用直流斩波技术实现高速机车无变压器化交流传动系统结构是实现车载牵引变压器小型轻量化的一种新方案,其需要解决的关键问题之一是直流斩波器电路元件参数的确定。
- It is thundering and lightening . 雷电交作。
- It is thundering and lightening. 雷电交作。
- miniaturization and lightening 小型轻量化
- What's the difference between electricity and lightening? 电和闪电的区别是什么?
- Thunder and lightening are not caused by gods being angry. 打雷闪电并不是由于神发怒引起。
- Pretty soon it darkened up and begun to thunder and lighten. 一会儿天阴得很黑;紧跟着就是打雷打闪。
- It thundered and lightened that stormy night. 那个暴风雨之夜雷电交加。
- Sufism has great influence on islam miniature and literature. 苏菲主义思想对伊斯兰细密画和文学艺术都产生了深远的影响。
- Working at the resolution limit of matter, it will enable the ultimate in miniaturization and performance. 致力于对物质分解极限的研究,就能使“小型化”及其产品化推向终极。
- Working at the resolution limit of matter,it will enable the ultimate in miniaturization and performance. 致力于对物质分解极限的研究,就能使“小型化”及其产品化推向终极。
- This equipment has the miniaturization and the transportable characteristic, can use in the field work. 该装置具有小型化和可移动性的特点,能用于野外作业。
- This equipment has the miniaturization and the transportable characteristic,can use in the field work. 该装置具有小型化和可移动性的特点,能用于野外作业。
- With thunders and lightenings he entered the chamber of Semele. 他闪电雷鸣般地冲进了塞墨勒的闺房。
- Miniaturization and portability are the targets in the design of the aeronautic testing instruments. 小型化与便携是航空测试仪器设计所追求的目标。
- Several principles are introduced such as database miniaturization and localization. 提出了数据库小型化、本地化等设计原则。
- Sakai changium yanjiacun: Epson products have tested positive for miniaturization and lightweight. 酒井明彦:爱普生的产品呈小型化和轻量化趋势。
- Based on high speed DSP and large scale FPGA, a video capture, processing and display system was developed, which is of miniaturization and low power. 摘要基于高速数字信号处理器(DSP)和大规模现场可编程门阵列(FPGA),成功地研制了小型化、低功耗的实时视频采集、处理和显示平台。
- Miniaturization and automatization of the ultrasonic drilling device can bring about more wideapplication in ultrasonic process field. 超声振动制孔装置的小型化和自动化可以扩大其在复合材料加工领域的应用范围。
- Finally, methods of overcoming and lightening contamination effect are put forward. 最后提了克服和减轻污染影响的方法。