Preserving accuracy when using a 2-d map requires understanding spatial reference systems and using them appropriately.

使用2 - d地图时保持精确度需要理解空间引用系统并合理使用。

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Normally found in standard inertial reference systems, gyro-compassing enables the unit to establish precise heading within moments, without the use of a magnetic flux valve or magnetometer.

通常放置在标准惯性参考系统中，陀螺仪能够使设备在瞬间建立精确的航向，而不使用磁通阀或者磁力计。

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It is necessary to unify different geodetic reference systems in order to realize comprehensive utilization of surveying achievement in different systems.

为综合应用不同参考坐标系中的测量成果，必须实现不同参考坐标系的统一。

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Realizing this potential will require partnerships between industry and government to develop a framework and best practices for cyber-physical-systems platform technologies that include integrated architectures, standards and protocols, advanced analytics, evaluation testbeds, and reference implementations to ensure such systems perform reliably, correctly, safely and securely.

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The reference platform will support leading operating systems, such as Windows 8 and Android, with a broadband interface with carrier selection.

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As it often does, Intel has created a number of reference designs, which hardware OEMs may use to specify systems for their manufacturing partners.

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