等号操作符 equality operator

操作号码 [计] operation number

信号量操作 semop

操作符号 functional symbol ; [计] operation symbol ; [计] operator symbol

恢复操作信号 [计] enabling signal

信号操作 signal operation ; Signal Manipulation

操船信号灯 manoeuvre light

操纵号灯 manoeuvring light

操作信号 Operation Signal

缺少操作符或分号 Missing operator or semicolon