使用该方法无需使用精密夹具和人工找正，因而可减少产品成本，提高检测效率。
The techniques presented can be used to decrease the product cost and improve inspection efficiency.
本发明可代替简单、重复、繁重的人工劳动，具有检测灵敏度、检测度高，检测速度准确的优点。
The detection system in the utility model can eliminate simple, repeated and heavy hand labor; has the advantages of high sensitivity, resolution, accuracy and fast detection.
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