There was difference in different arms of services.

不同军兵种官兵的健康状况存在差异。

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The landing campaign is a combined operation of many arms of services. One of the most important factors of winning the war is its logistics support system.

登陆战役是诸多兵种联合作战的立体战役，其中登陆作战后勤保障系统是取得战争主动权的重要因素。

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Besides of uniform spatial reference and positioning datum, modern war must unite all the geographic spatial information needed by all arms of services to a organic integer scientific and reasonably.

除了要求有统一的空间参照和定位基准以外，还必须将诸军兵种所需的地理空间信息科学合理地统一在一起，形成一个有机整体。

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