...一个引用类的实例使用取地址符），因此，C++/CLI对应地提供了句柄及用于跟踪的引用--在此简称为跟踪引用（Tracking References），例如，你可以定义一个跟踪引用p3，以追踪对象p2：
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tracking references
跟踪参考
以上为机器翻译结果，长、整句建议使用 人工翻译 。
For advanced users, the system should provide a way of tracking references that are found to be of interest along the way.
该系统应为高级用户提供按线索跟踪相关参考资料的方法。
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"Tracking down my previous references proved problematic since many of the companies were Internet start-ups that have gone out of business, " Spenser says.
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