The noise values measured by using gradual acceleration scanning and steady engine speed methods are also compared in this paper.
文中还比较了用发动机转速慢加速扫描的动态方法及稳态转速下测得的噪声值。
Through the advanced X-Y scanning system of vibrating lens to control the motion track, steady quality, clear mark, long continuous working time.
通过先进的振镜系统X-Y数据拼图系统，控制其运动轨迹，品质稳定、标记清晰、连续工作时间长。
Through the advanced X-Y scanning system of vibrating lens to control the motion track, steady quality, clear mark, long continuous working time.
通过先进的振镜系统X-Y数据拼图系统，控制其运动轨迹，品质稳定、标记清晰、连续工作时间长。
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