【简答题】如果有一台压力表,其测量范围为0~10MPa,经校验得到下列数据 (1)分别求出该压力表正反行程的最大绝对误差值; (2)根据正反行程的最大绝对误差值,该压力表的精度等级应为多少; (3)求出该压力表的变差; (4)根据变差的大小,问该压力表是否还能符合(2)中确定的精度等级。 (我国规定的仪表等级有0.1,0.2,0.4,0.5,1.0,1.5,2.5等)
【简答题】The newborn was 34 weeks' gestation. The birth weight is 2800g.
the fetal heart is slow, the fetal movement is reduced, Ihe whole body
color is blue at the time of birth.The tension of the four limb...
【简答题】函数是C程序的基本构成单位,C程序总是从____开始执行的。
【单选题】Which of the following is an example of the primary attribute of a product?
A.
The ability of a camera to take a picture.
B.
The design and form factor of a phone.
D.
The prestige associated with driving a car
E.
The eco-friendly functioning of a digital watch
【单选题】有下列数表 x 0 0.5 1 1.5 2 2.5 f(x) -2 -1.75 -1 0.25 2 4.25 所确定的插值多项式的次数是( )。
【多选题】When choosing a business dress color, which of the following colors is appropriate?
E.
All of the above is appropriate.
【单选题】Which of the following about the coats of the eyeball is not right?
A.
The sclera is opaque and white in color
B.
the vascular coat contains blood vessels
C.
the vascular coat contains pigment cells
D.
Pupil is an opening in the middle of centre of choroid layer
E.
The ciliary muscles are involuntary
【多选题】Which of the following are the features of Chinese food?
A.
Color, aroma and taste are significant.
B.
Sweet in the south, salty in the north, sour in the west and spicy in the east.
C.
Time and temperature play an important role in cooking.
D.
Taste mainly depends on the seasonings.
E.
All the meat are cut into large pieces.