在梁的某一段上,若无均布载荷q作用,则该段梁上的剪力为常数。
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若简支梁上的均布载荷用静力等效的集中力来代替,则梁的支反力值将与原受载梁的支反力值相等,而梁的最大弯矩值将大于原受载梁的最大弯矩值。
A. 对
B. 错
Watch the video and choose the proper answers for the following question.What does Matt Stuart about college life? (多选)
A. Time to relax
B. A starting line
C. A finish line
D. Time to get ready for your life
E. Time to set goals
Watch the video and fill in the blanks with what you hear. The first letter is given as a hint.Here are some tips given by Matt Stuart:- The No.1 question that students request is about 1. t_________ m__________.-Successful people in history are 2. g_____________. They usually set goals and have an 3. a___________ p_________ towards the goals.-College students can set goals around 4. g___________, getting a 5. j__________ and having time with 6. f____________.-Using a calendar will 7. a____________ most stress. And it's also important to put the 8. d___________ in the calendar.-Look for 9. p____________ business experience which you can apply in the future.-Have a 10. c_______________ plan to get ready for whatever career pops up.
在视频监控系统中,为了更清楚的显示被监控目标,一般需要顺光观察,逆光不容易得到清晰图像,且易产生暴光现象
A. 对
B. 错