The OrderDetails portlet then fetches the tracking ID of the order from the order details, and passes the details to the TrackingDetails portlet as a render parameter.

然后OrderDetails portlet会从顺序细节信息那里获取顺序的追踪id，并将细节信息作为赋值变量传递给TrackingDetails portlet。

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Both tracking methods achieve the target tracking state in common by establishing the motion parameter model and obtaining the motion state estimation of the target.

这两种方法的共同点是都是通过建立目标运动的参数模型，获得目标的运动状态估计，从而实现目标跟踪。

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At last, a tracking gate algorithm based on optimum matching parameter of system is presented.

最后，本文给出基于最佳系统参数匹配的跟踪门优化算法。

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