因为无效的代码可能会导致浏览器问题，因此你可能会选中这个框。
You should probably check this box since invalid code sometimes causes problems with web browsers.
Quantify度量并分析在程序中所花费的时间，从而识别“热点”和无效的代码。
Quantify measures and analyzes the time spent in your program to identify "hot spots" and inefficient code.
UDDI注册中心会在内部检查这些分类法的使用情况；试图保存无效的代码会遭到拒绝。
Use of these taxonomies is internally checked by the UDDI registry; attempts to save invalid codes are rejected.
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