Google has no such active service.

Google还没有类似的服务。

(of a ship) withdrawn from active service.

(指舰)退出现役的。

His brother is a soldier in active service.

他哥哥是现役军人。

Saddles, Stirrups and Spurs - Preparedness for active service.

坐鞍、马镫和长筒靴子刺-时刻筹办活跃的军人。

The personalized active service system is discussed in Digital Library(DL).

对数字图书馆系统中的个性化主动服务进行讨论。