frequency drift under pulse operation 脉冲工作下的频率漂移
Minimize drift of the instrument during prolonged operation.
在长期操作中，使仪表的误差减至最小。
The prototype operation indicate that control system can automatically adapts the drift of parameters with the new wethod. It has such character as high reliable, simple circuit and good anti-jamming.
样机运行结果表明，控制系统能随外部干扰和负载变化自动跟踪谐振频率，并有可靠性好，电路简单，抗干扰能力强的特点。
PRC drift car by traction locomotive traction into column operation.
PRC平巷人车由牵引机车牵引成列运行。
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