在设计中，以TL 494作为PWM产生电路输出控制信号，控制开关管的导通状况，在半桥反激式输出的基础上实现了电源的多路输出。
In the design, to produce circuit TL494 as a PWM output control signals, control of the on-switch situation, the half-bridge flyback output on the basis of the power of multi-output.
仰卧的后弯体式：例如桥式，轮式，反台式，这些后弯的程度会更深，并且比俯卧的后弯带来更多强烈的感受。
Supine backbends: such as bridge pose, upward-facing bow, viparita dandasana are deeper back bends and create more intense sensations and experience than prone backbends.
本文分析了整流器在不同换流重叠角时的桥臂反压波形及谐波分量。
The waveform of the reverse voltage across the bridge arms and the harmonic contents are analysed.
本文论述了土工布在道桥施工中遇到护坡时以及城市道路改造工程中作为反滤层的特点，土工布在施工中的方法及注意事项。
This paper discusses Characteristic of earth work fabric used in road and bridge constructing as athwart sieving layer, and states the method and attentions using it in construction.
以结构力学为基础，利用加固前对钢板梁桥测得的横向位移，提出了一种通过反算出列车等效横向摇摆力来计算加固后钢板梁桥的横向位移的方法。
In the paper, one of the finite element analytical models for spatial vibration of the train and deck steel plate girder bridge system is presented.
以结构力学为基础，利用加固前对钢板梁桥测得的横向位移，提出了一种通过反算出列车等效横向摇摆力来计算加固后钢板梁桥的横向位移的方法。
In the paper, one of the finite element analytical models for spatial vibration of the train and deck steel plate girder bridge system is presented.
应用推荐