... portable language laboratory 小型说话试验室 portable laser rangefinder 便携式激光测距机 portable laser 便携式激光器 ...
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The time measurement system is adapted extraordinarily to high performance portable pulsed laser rangefinder for its compactness, simple structure, and high reliability.
此系统结构简单，体积小，可靠性高，非常适合高性能手持式脉冲激光测距仪。
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