The system includes three subsystems which are Graph Input system, Management of Database system and Search system, respectively.
该系统共具有三个子系统：图形录入系统、数据库管理系统、检索系统。
The software includes three subsystems: database system, aircraft target vulnerability model system and graphics visualization module.
该软件包括数据库系统、易损性评估系统和可视化模块三大子系统。
This thesis frames some scheme of smart antenna system aiming at the character of ship communication. The above system consists of four array faces, and each face includes three subsystems.
针对舰艇通信的特点，本文制定了某智能天线系统方案，该系统天线分为四个扇区，每个扇区包括扇区天线子系统、射频收发子系统和数字信号处理子系统三部分。
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