挑选一件符合聚苯乙烯塑料件标准的塑料件，用于在检测仪器和操作条件下的曝光测试。
A clear polystyrene plastic standard selected for exposure as check on a test apparatus and operating conditions.
该检测系统功能强、精度高、操作方便、可靠性好，且测试结果具有良好的重复性。
The detection system has the advantages of strong functions, simple operation, and high reliability.
自动检测技术操作简单，且测试速度快，但需要增加辅助检测电路。
The automatic test technology is fast and easy to operate, but needs some extra circuits.
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