绝对真空下的压力称为绝对零压,以绝对零压为基准来表示的压力叫()。
A、相对压力
B、绝对压强
C、绝对压力
D、相对压强
参考答案:C
《水力发电厂计算机监控系统设计规范》规定监控系统应具有事件顺序记录功能,一般监控系统进行事件顺序记录的量有哪些?
Timetable
小题1:Which of the following is true of the membership card?
A.Its number is l0865 305305.
B.It belongs to Mr.E.M.Driscoll.
C.It is valid through the year of 2010.
D.It gets the owner a discount when used.小题2:If one wants to attend a business lunch in London at l2:00, the latest train that he should take at Oxford leaves at .
A.11:45
B.11:15
C.10:35
D.10:05小题3:If you would like to have some vegetable beef, what may be your choice?
A.French Slam®
B.Chicken-Fried Steak®
C.The Super Bird®
D.Sandwich with Salad or Soup®小题4:The chart shows that from 2005 to 2008, .
A.the percentage of the Spanish families with a computer rose 35 points
B.the percentage of the White families with a computer remained unchanged
C.the number of the Black families with a computer was on the decrease
D.the number of the Asian families with a computer showed the sharpest increase