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【判断题】
若有定义char ch1='A',ch2,ch3; 执行ch2=ch1++; ch3=++ch1; printf("ch1=%c, ch2=%c",ch1,ch2); 则输出为ch1=C, ch2=A。 ( )A.
正确
B.
错误
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举一反三
【单选题】On a vertical machining center, if the Z-axis is vertical, up is usually( )。
A.
Negative
B.
Positive
C.
Left
D.
Right
【单选题】An ILS consists of two independent sub-systems, one providing _____ guidance (Localizer), the other _____ guidance (Glide slope or Glide Path) to aircraft approaching a runway. A. lateral, lateral ...
A.
lateral, lateral
B.
lateral, vertical
C.
vertical, lateral
D.
vertical, vertical
【单选题】The vertical angle between the horizontal and the magnetic line of force is the（）.
A.
elevation
B.
magnetic angle
C.
vertical angle
D.
dip
【单选题】A single vertical magnet placed underneath the compass in the binnacle is used to compensate for（）.
A.
the horizontal component of the permanent magnetism
B.
deviation caused by the vessel's inclination from the vertical
C.
induced magnetism in the horizontal soft iron
D.
induced magnetism in the vertical soft iron
【单选题】Aboard ship, vertical flat plates running transversely and connecting the vertical keel to the margin plates are called ______.
A.
floors
B.
intercostals
C.
girders
D.
Stringers
【单选题】A single vertical magnet placed underneath the compass in the binnacle is used to compensate for ______．
A.
The horizontal component of the permanent magnetism
B.
Deviation caused by the vessel's inclination from the vertical
C.
Induced magnetism in the horizontal soft iron
D.
Induced magnetism in the vertical soft iron
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