普通车床经过较长时间使用后，常常发生床鞍下沉现象。
The bed saddle subsidence phenomenon in general lathe often takes place after a long time using.
并且在完成样机后，经过较长时间的运行和一定范围内的应用取得了很好的效果。
And the prototype manufactured, good results were achieved after running a longer period of time and within a certain scope of application.
经过较长时间的监测运行，G . 726语音编解码系统能稳定工作，实时采集和回放语音。
After a long time monitored operation, G. 726 speech codec system can perform stable work, real-time data acquisition, and playback of voice.
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