操作演示
Performance demonstration
Performance demon-stration
操作作战特性
Operational characteristics
非同作操作系统
nonconcurrent operating system
NCOS
工作操作系统
WOS Working Operating System
平均计算操作
average calculating operation
实时同作操作
concurrency, operations(real-time
语音操作演示器
VODER Voice Operation DEmonstratoR