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【单选题】
下列不是现代仓储作业的基本过程的是 ( )。
A.
商品入库
B.
存货管理
C.
出库管理
D.
包装作业
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举一反三
【单选题】The downflooding angle for a ship is the minimum angle at which ().
A.
The load line becomes submerged
B.
A non-watertight opening is at still water level
C.
Offset becomes excessive
D.
Reserve buoyancy is a maximum
【单选题】易腐败的食品在 10°C 至 60°C 条件下存放超过 ( ) 小时 , 需再次利用的需充分加热。
A.
0.5
B.
1
C.
1.5
D.
2
【单选题】The angle at which 90 ° refraction of a longitudinal sound wave is reached is called
A.
The angle of incidence
B.
First critical angle
C.
The angle of maximum reflection
D.
The second critical angle
【单选题】The prime vertical is the reference point from which the angle of which type of observation is measured ().
A.
Sextant angle
B.
Azimuth
C.
Amplitude
D.
Local apparent noon
【单选题】用水杨酸乙酰化 过程中,可作为乙酰化试剂是 ( ) 。
A.
乙醇
B.
乙酸酐
C.
乙烯
D.
乙酸
【单选题】The angle at which the anchor flukes penetrate the soil is the().
A.
burial angle
B.
penetration angle
C.
fluke angle
D.
holding angle
【单选题】A curve is a line_________no part is straight and which has no angle.
A.
that
B.
whose
C.
of which
D.
which
【单选题】the is the angle at which the airfoil begins to loses its lift.
A.
angle of attack
B.
blade angle
C.
pitch angle
D.
critical angle of attack
【单选题】用水杨酸乙酰化 过程中,可作为乙酰化试剂是 。
A.
乙醇
B.
乙酸酐
C.
乙烯
D.
乙醚
【单选题】The maximum angle at which the intact stability curves are valid for ship’s is the angle for().
A.
the limit of positive stability
B.
the limit of small-angle stability
C.
maximum offset
D.
downflooding
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