arms and services造句

• We ' ll take up the subject of arms and services
  我们讲军兵种知识课。
• It has been playing an important role in equipping all kinds of arms and services for campaigns , tactical exercises and emergent actions etc . based on the detailed analysis of the exchange ' s architecture and implementing , this thesis points out some disadvantages of the device , such as too many absolute components , not very high enough reliability and security , very large size and weight , operating and maintaining difficultly . considering low power requirement and man - machine interface optimizing design at the same time , the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing , timing frequency producing , 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding , latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface
  本项目以该交换机为研究对象，在详细分析原设备的系统结构和功能实现方式的基础上，指出该机型在使用过程中存在技术相对陈旧、分立元件过多、可靠性和保密性不够、体积大、重量大、维修困难等问题，同时结合系统的低功耗需求和优化人机接口设计，本文提出基于“单片机+ cpld fpga体系结构”的集成化设计方案：在cpld中实现信号音分频和计时频率生成电路、 20路用户led状态控制电路； cpld与单片机以总线接口方式实现译码、数据和控制信号锁存功能的vhdl设计；基于低功耗设计的器件选型方案和单片机待机模式设计；人机接口的lcd菜单操作方式。