Q. What about other factors, like your voice, gestures and eye contact?

其它因素呢？例如，声音、手势和目光接触？

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Q-switch erbium glass lasers have important application in eye-safe laser range finder. laser diode (LD) side-pumped erbium glass laser electro-optic Q-switch experiment is reported in this paper.

调Q铒玻璃激光器的直接应用就是人眼安全激光测距。报道了激光二极管（LD）侧面抽运的铒玻璃激光电光调Q实验的初步结果。

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