目前尚未出现信号接收问题，以后也不会有出现此类问题的余地。
Reception problems have not happened so far, and there is no room for such problems to happen in the future.
他们的意思是去除潜在的问题、小故障和那些尚未出现的不和谐的地方。
Their meaning was to get rid of hidden problems, glitches and inconsistencies that were not immediately apparent.
迄今为止，尚未出现可以全面解决城市埋地燃气管道腐蚀检测问题的方法或者技术方案。
Up to now, not appear solve the city to burn the method or technical proposal that the question was tested in the windpipe way corruption yet completely with covering up.
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