Through the theoretic analysis in the process about wind turbine, give the target what the pitch-control system must achieve.
通过对风力机组工作状态的理论分析,得出实现这一目标变桨系统所应达到的要求。
The low frequency exhaust noise of a diesel(4 85), its generation, frequency characteristics and influencing factors have been studied through theoretic calculation, analysis and experiment.
针对柴油机(4 85 )低频排气噪声,对其产生机理、规律及其影响因素等作了理论计算、分析及实验。
Thermal interaction mechanism of laser diode ignition is investigated through theoretic analysis, experiments and numerical calculations. The critical values and impacting factors are analyzed.
通过理论分析、实验和数值计算研究了激光二极管点火的热作用机理,分析了点火的临界值及影响因素。
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