Most have slavishly copied the design of IBM'sbig mainframe machines.大多数公司都一味模仿IBM公司大型主机的设计。These were the so - called mainframe machines.它们被称为主机.That pulse forces the circuit breaker to shut down her mainframe for ...
提出了连续 反相 色层分离锆、铪新方法.A continuous reveree - phfise chrornatographic separation procedure for Zr and Hf was offered.这种细胞形成一稠密的色层足以覆盖其他颜色.These cells form a dense color layer which can cover all other colors.色层分析法: 又译色谱法. 利...