Integrated GPS - GALILEO is superior to single system from aspects of satellite availability and creditability.

组合的GPS-GALILEO 系统无论在卫星可见性方面,还是在定位可信度方面,均优于单一的定位系统.

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In 214 BC Shihuangdi connected existing defensive walls into a single system fortified by watchtowers.

公元前214年,秦始皇将当时存在的城墙,连结成一整套防御体系,并设置了望台增强其功能.

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Applying server's group system design, the quantity of server used by single system has strong retractility.

使用服务器机群体系统设计, 而单个系统所使用的服务器个数有很强的伸缩性.

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