Acid solution（） in the system can be tested from time to time by putting some on to a piece of lime.
Acid solution（） in the system can be tested from time to time by putting some on to a piece of lime.
Embedded operating system has gone through four stages: No operating system, simple operating system, real time operating system, and Internet oriented operating system.
Embedded operating system has gone through four stages: No operating system, simple operating system, real time operating system, and Internet oriented operating system.
A polychromic time system regards schedules as very important.
A polychromic time system regards schedules as very important.
He _______ a lot of time in trying to develop the education system in this area.
He _______ a lot of time in trying to develop the education system in this area.
In process control system, the set point is changing according to the preset time schedule.
In process control system, the set point is changing according to the preset time schedule.
People from cultures that follow the _____ time system tend to do one thing at a time.
People from cultures that follow the _____ time system tend to do one thing at a time.
When to remove scale from the cooling spaces， acid solution （） in the system can be tested from time to time by putting some on to a piece of lime.
When to remove scale from the cooling spaces， acid solution （） in the system can be tested from time to time by putting some on to a piece of lime.
An operating system that allows several processors to perform computation as thesame time is call A: Single program B: Multitasking C: Multiprocessing D: Real time processing
An operating system that allows several processors to perform computation as thesame time is call A: Single program B: Multitasking C: Multiprocessing D: Real time processing
(5-1)利用()可以取得系统当前时间(毫秒)。 A: System.getTime() B: System.currentTimeMillis() C: System.getDate() D: System.time()
(5-1)利用()可以取得系统当前时间(毫秒)。 A: System.getTime() B: System.currentTimeMillis() C: System.getDate() D: System.time()
He _______ a lot of time in trying to develop the education system in this area. A: involved B: investigated C: invested D: interfered
He _______ a lot of time in trying to develop the education system in this area. A: involved B: investigated C: invested D: interfered