A mathematic model has been established in the article for the control system about the path deviation of ALV (Autonomous Land Vehicles) in order to control its tracking navigation route accurately.

为了实现自主车跟踪固定路径的精确控制，建立了自主车路径偏差控制系统的数学模型。

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Radar tracking of the shuttle, like the final accurate ground-based navigation, had not yet begun.

对航天飞机的雷达追踪，如最后精确的陆基导航，还没有开始。

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It is possible that the RFI can result in navigation accuracy degradation or receiver tracking loss.

射频干扰可能会引起导航精度的降低或接收机跟踪的丢失。

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The voice turn-by-turn navigation, GPS tracking and traffic updates are handy to have and all work well, but those are staples for any OS at this point, which means they aren't standout features.

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Cemex can do this because its trucks are now equipped with dashboard computer navigation terminals that allow tracking by a central dispatch unit using state-of-the-art global positioning satellite technology.

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The Android-based MOD Live ships with four new, industry first applications: Buddy Tracking, Smartphone Connectivity, a Navigation app pre-loaded with the largest database of trail maps in the world, Music Playlist Mode, and Camera Connectivity for use in the future with select wireless point-of-view action cameras.

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