School constitution that is concretion and complementary of laws is the basic source of principal's power.
学校章程构成校长权力的基本来源，其对校长权力的规定，是对学校校长法定权力的具体化和补充。
The article describes the basic requirements for the power source of the metro power supply system, analyzes briefly the features of various power supply modes and their selection.
阐述了地铁供电系统对电源的基本要求，对各种供电方式的特点及其选择作了简要分析。
The final basic cause that resulted in the failure is no working state monitoring signal and failure warning signal of power supply source of controlled silicon excitation device.
最终查出造成机组事故的根本原因是可控硅励磁装置供电电源无工作状态监视信号及故障报警信号；
Water is the basic source in human life, it is also the necessary factor of environment control, so reclaimed water reuse is very important in power plants.
水资源是人类生产和生活种赖以生存的基础资源，也是控制生态环境不可缺少的重要因素。因此发电厂中水回用具有重要意义。
The GTO drive source is better suitble for the power stepping motors with greater inductance or mutual inductance. In this paper, the basic…
本文说明了GTO功率步进电机驱动电源的工作原理、性能指标以及为提高工作可靠性而采取的措施，并对主电路的工作进行了分析。
The basic work principle and structure, the concrete circuit, the control and the protection of the inverter power source were studied so as to provide a good basis for devel…
结果表明，该电源成功地进行了逆变，控制及其保护电路可以保证主电路正常工作，电源性能良好。
The basic work principle and structure, the concrete circuit, the control and the protection of the inverter power source were studied so as to provide a good basis for devel…
结果表明，该电源成功地进行了逆变，控制及其保护电路可以保证主电路正常工作，电源性能良好。
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