标准操作步骤
standard operation procedure
电传打字机异步操作
tty asynchronous operation
技术进步作用
Performances of technical progress
异步操作
asynchronous operation
operation, auxiliary
asynchronous memory bus
asynchronous communication interface
asynchronous operations
Operation
auxiliary
实进操作系统
real time operation system
操作作战特性
Operational characteristics
非同作操作系统
nonconcurrent operating system
NCOS