Adding a simple check for this at my IOleCommandTarget entry points cleared up the issues nicely.

在IOleCommandTarget入口点处，增加一个简单的检查，就可以很好地解决这个问题了。

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To ensure measurement accuracy, check the test fixture for light leaks at doors and door hinges, tubing entry points, and connectors or connector panels.

为了确保测量的准确度，应当检查测试夹具的门、门铰链、管道进口点、连接器和连接器面板等处是否漏光。

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