只要发电机的调节容量足够大,电力系统的一次调频可以实现无差调频
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在水火并存的系统中,枯水季节,往往选择水电厂为主调频厂,丰水季节,为了保证充分利用水力资源,往往选择装有中温中压机组的火电厂作为主调频厂
A. 对
B. 错
… I’ve been plugged in 24-7, living in a world where the line between digital and real gets a bit blurred at times. (Para. 5)
A. … I’ve been getting online round-the-clock, living in a world in which the difference between virtual and real sometimes becomes unclear.
B. … I’ve been staying online for 24 hours, and it seems that the difference between virtual and real world becomes unclear.
I found myself reflecting on how living and breathing tech has let me experience some of the most rewarding moments of my life … (Para. 8)
A. I found myself thinking that tech is living and breathing and has offered me some of the most rewarding moments of my life …
B. I was thinking about how immersing myself in tech has offered me some of the most rewarding moments of my life …
The irony is that by stepping away from all things digital for a while, I actually felt even more appreciative of it.
A. What ironic is, I actually felt even more appreciative of the internet after quitting it for a while.
B. The irony is that I actually become even more cherish the internet after quitting it for a while.
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