电力系统受到小干扰后,不发生非周期性失步,自动恢复到初始运行状态的能力称为()
A.静态稳定
B.暂态稳定
C.动态稳定
D.功角稳定
参考答案:A
根据句意及所给提示,补全单词或用单词、固定短语、固定搭配的正确形式填空。
1. It's a good habit to brush our teeth t______________ a day.
2. We need eleven _______________ (play) for our soccer team.
3. What a _______________ (sun) day it is today! Let's go to the park.
4. Steven _______________ (参加) the school dancing club last year.
5. How can you type and talk ______________ (同时)?
计算构件的强度时,应以钢筋混凝土的那个应力状态为计算依据。()
A.整体工作阶段末期
B.带裂缝工作阶段
C.破坏瞬间