并针对多个摄像机的协同主动跟踪，深入分析了体现协同性的三个方面，包括多摄像机的分布、协同检测以及协同跟踪控制等。
The cooperation quality of multi camera active tracking has been analyzed on three aspects: the distribution of multi cameras, the cooperative detection and the cooperative tracking control.
项目组合管理系统应当有一种跟踪趋势和预见问题的机制以确保管理人员能够实施主动的措施以避免不一致的项目。
The PPMS should also have a mechanism for tracking trends and anticipating issues so that managers can implement proactive measures to avoid non-compliant projects.
2009年7月：宣布其持续主动地跟踪其销售的每一个产品的生命周期，测定和评估产品的水的使用量、温室气体排放量和公平劳工做法。
July 2009: Announces its sustainability initiative to track the life cycle of every product it sells, measuring it on water use, greenhouse-gas emissions, and fair labor practices.
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