该系统总体调试试验获得成功。
经多次反复试验获得成功，并探明了一些工艺痕迹产生的原因。
It obtained success through testing again and again for several times, and has verified the reason of producing some craft trace.
如果试验获得成功，机场可能会在一两年左右的时间里开始使用该项技术。
If the trials prove successful, airports could start using the technique within a year or two.
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