The invention has high detection precision and short detection time.
本发明检测精度高，而且检测时间短。
The invention has the advantages of low cost, easier operation and short detection time.
本发明具有成本较低、操作方便、检测时间较短的特点。
The invention has the advantages of low cost, easier operation and short detection time.
本发明具有成本较低、操作方便、检测时间较短的特点。
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