实践证明，变频调速具有优异的调速和起制动性能，以及高功率因素和高效率的节电能力等优点，而被国内外公认为最有发展前途的调速方式。
It is proved that, frequency conversion has excellent accent speed, a brake capability, high efficiency rate, great credit rate factor and joint electricity effect and other merits.
用于惯性约束核聚变(icf)的高功率激光在传输中的小尺度自聚焦是使光束质量变坏和限制输出功率的主要因素。
The main factor limiting the output energy and efficiency of high power solid state laser drivers used in ICF is the small-scale self-focusing.
在高功率激光二极管抽运固体激光器中，热效应已成为获得高输出功率和高光束质量的最大阻碍因素。
Effect of thermal lensing is the main obstacle of getting high power and good beam quality in laser diode (LD)-pumped solid-state lasers.
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