理学 计算机系统 释 mainframe 大型计算机 功能齐全完整、事务处理性能处于所在时期最高端的通用计算机。最早指的被大型组织机构用来运行关键任务、数据统计、以及事务处理的计算机。又称大型机、主机、大型主机。
通论 计算机系统类型 释文 mainframe 大型计算机
- infrared radiation of interstellar dust
- infrared radiation of interstellar medium
- infrared radiation of planets in the solar system
- infrared radiation of protostars
- infrared radiation source
- infrared radiometer
- infrared radiometric calibration field
- infrared radiometry
- infrared ray
- infrared reflection-absorption spectroscopy
- infrared reflection-absorption spectroscopy, IRAS
- infrared reflective coating
- infrared reflective mirror
- infrared remote sensing applications
- infrared remote sensing of atmosphere
- infrared remote sensor
- infrared response polymer
- infrared satellite
- infrared scanner
- infrared searching and tracking system
- infrared semiconductor laser materials
- infrared-sensitive film
- infrared sensitive phosphor
- infrared sensor
- infrared silica glass