The combination of precise clock aided GPS with a barometer is an ideal integration.

这种由精密时钟辅助GPS和气压计等组成的组合导航系统是一个理想系统。

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Viper Strike is a gliding munition capable of precision attack from extended ranges using GPS-aided navigation and a semi-active laser seeker.

Viper Strike 是一种滑行军需品，能够使用 GPS 辅助导航和半主动激光导引头从更远的范围进行精确攻击。

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Using hybrid GPS-aided navigation, the unit can support search and rescue (SAR) operations.

采用混合GPS辅助航行，该设备能够支持搜索和救援(SAR)操作。

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At different stages along each trail, the phones -- aided by the built-in GPS -- alert visitors to particular points of interest by sounding a yodel.

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