low lever laser 当低功率激光
Low-lever laser irradiation 探讨低能量激光照射
laser light lever 激光光杠杆
Low-Lever Laser Assisted Liposuction 术 ; 低能量激光辅助抽脂术
four lever laser 四能级激光器
four-lever laser operation 四能级激光运转
The several dynamic focus systems are analyzed. The transmission formulas of laser through them and the way to define the optical lever ratio and the focus of lens are given.
分析了几种不同的动态聚焦系统的特点，给出了激光束通过该系统的变换公式以及光杠杆比和透镜焦距的确定方法。
Then they were asked to mark the location the target had been in by moving a laser pointer attached to the lever system.
然后，让受试者在一个附着在杠杆系统上的移动着的镭射指示器上标记目标物的位置。
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