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【多选题】
关于道路竖曲线,正确的有()
A.
竖曲线因坡段转折处是凸形或凹形的不同而分为凸形竖曲线和凹形竖曲线两种
B.
为转折角,其大小等于两相交坡段线的倾斜角之差
C.
值为正,变坡点在曲线上方;ω为负,变坡点在曲线下方
D.
凸形竖曲线设置的目的在于缓和纵坡转折线,保证汽车的行驶视距
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举一反三
【单选题】On a vessel, multiplying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n) ______.
A.
transverse moment
B.
vertical moment
C.
righting moment
D.
inclining moment
【简答题】阅读下面程序: Private Function a(load As Integer) As Single If load <20 then money = load/2 else money =20 + load end if a = money End Function Private Sub Form_Click( ) Dim load As Integer, fee As Single L...
【单选题】Which is the winter load waterline on the load waterline mark?().
A.
The line over the summer load waterline
B.
The line above the tropical load waterline
C.
The line below the tropical load waterline
D.
The line between the summer and the winter north Atlantic load waterline
【单选题】The tire loads include three load groups: side load, radial load and ( ).
A.
vertical load
B.
traversal load
C.
tractive load
D.
internal load
【单选题】通过典型生成矩阵得到的码组,其信息位位置不变,监督位附加于其后,具有这种形式的码称作( )
A.
海明码
B.
系统码
C.
分组码
D.
循环码
【判断题】When a piece of materialis subjected to a load, it will deform in the direction ofthe load only.
A.
正确
B.
错误
【单选题】能有效防止仓虫产生的氧气浓度应为:
A.
25%以下
B.
8%-25%
C.
8%以下
D.
20%
E.
8%以上
【单选题】What does MBDD mean on the load waterline mark ()_.
A.
Timber tropical load waterline
B.
Timber summer load waterline
C.
Timber winter load waterline
D.
Timber winter North Atlantic load waterline
【单选题】Which is the winter load waterline on the load waterline mark? ______
A.
The line over the summer load waterline
B.
The line above the tropical load waterline
C.
The line below the tropical load waterline
D.
The line between the summer and the winter North Atlantic load waterline
【单选题】_______ is not a static load
A.
Actual weight of the ship’s structure, outfitting, equipment and machinery
B.
Ballast load
C.
Cargo load
D.
Slamming and sloshing load
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