以下为句子列表：
英文: Abstract: On the basis of the practical design experiences and relatedreference literatures ,the basic principles,development process,key waveforms,performance features and application points of five new PWM constant current feedback control modes for inv
中文: 文摘:根据实际设计工作经验及有关参考文献，比较详细地依据基本工作原理图说明了逆变焊机用的5种新型PWM恒流调节反馈控制模式的基本工作原理、发展过程、关键波形、性能特点及应用要点[1～3]。
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英文: Applied dedicated thick diaphragm and high-power integrated circuit to have high precision on voltage stability and constant current output.
中文: 采用专用的厚膜大功率集成电路,具高精度的稳压及恒流输出特牲。
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英文: It avoids the disturbance of the constant current source by improved constant current source method,with high precision and nice resolving power.The circuit has wide application with simple structure,low cost,low power dissipation and small.It can be used
中文: 用改进的恒流源法测量热敏电阻的阻值,有效地克服了恒流源的干扰,测量精度高,测量分辨率可达0.01℃,测温准确度可达±0.5℃;并且该电路结构简单,成本低、功耗小、体积小、具有很高的实用价值,可用于需要精密测温与控温系统中,如激光二极管的温度控制中。
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英文: The charger adopts chip controlled charging,with constant current and constan charging,overcharge protection,short circuit protection and indications for charging status.
中文: 充电器采用芯片控制充电，具有恒流充电、过充保护、短路保护、充电状态指示。
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英文: The driver adopted the technique of automatic power changing between high and low voltage and the driving mode of constant current cutting wave, so that the low-frequency vibration of the stepping motor was reduced and the high-frequency torque was increa
中文: 该驱动器采用高、低压电源自动切换供电技术和恒流斩波驱动方式，降低了步进电动机的低频振荡，提高了步进电动机的高频力矩。
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