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重力（gravity）
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更多 “重力（gravity）” 相关考题
考题
Once out of the earth's gravity, the astronauts are () by the problem of weightlessness.
A、affectedB、effectedC、inclinedD、related
考题
The weight of something is another way of describing the amount of force exerted on () by gravity.
A.itB.themC.thatD.one
考题
不同的动力场可以影响粒子产生不同的运动，下列对场描述正确的是()A、Maya中所有的动力场都可以使静止的粒子产生运动B、能够使粒子向下运动的动力场只有GravityC、为粒子添加场，必须先选择粒子，再执行Fields菜单中的动力场命令，如果先将场创建出来，那么场就不能对粒子产生影响D、Gravity〔重力场〕和Newton〔牛顿场〕都是模拟引力作用的动力场，所以在Maya中Newton也可以作为Gravity使用
考题
Which of the following is NOT true about the gravity disc?
A.The location of the interface can be changed by exchanging the diameter of the gravity discB.A.larger diameter of gravity disc can cause the interface is far away from bow centerC.disc should not break the The diameter of gravity water sealD.In practice, the use of nomogram is the best oA530 operation
考题
下列描述Android中gravity与layout_gravity说法不正确的是()。
A.gravity是对该view中内容的限定B.gravity是用来设置该view相对于父view的位置C.layout_gravity是用来设置该view相对于父view的位置D.当view在水平线性布局中时，android:layout_gravity属性只有是垂直方向的值才起作用。
考题
The righting moment can be determined by multiplying the displacement by the ______．A.vertical center of gravity（KG）B.longitudinal center of gravity（LCG）C.righting arm（GZ）D.center of gravity（CG）
考题
在一个相对布局中怎样使一个控件居中（）A、android：gravity="center"B、android：layout_gravity="center"C、android：layout_centerInParent="true"D、android：scaleType="cente"
考题
单选题What is the definition of transverse metacenter?（）A
The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stabilityB
The point to which G may rise and still permit the vessel to possess positive stabilityC
The sum of the center of buoyancy and the center of gravityD
The transverse shift of the center of buoyancy as a vessel rolls
考题
单选题A partially full tank causes a virtual rise in the height of the（）.A
metacenterB
center of buoyancyC
center of flotationD
center of gravity
考题
单选题The center of the underwater volume of a floating vessel is the（）.A
center of buoyancyB
center of flotationC
uncorrected height of the center of gravity of the vesselD
center of gravity of the vessel corrected for free surface effects
考题
单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stabilit?（）.A
The metacenter does not remain in the same position for large angles of inclinationB
The center of gravity shifts due to inclinationC
The center of gravity shifts above the metacenter as the vessel is inclinedD
The mean draft will change as the vessel is inclined
考题
单选题When the（）is large, the ship is stiff; and when it is small, she is tender.A
GMB
free surfaceC
longitudinal center of gravityD
transverse center of gravity
考题
单选题Addition of weight above the center of gravity of a vessel will ALWAYS（）.A
reduce initial stabilityB
increase righting momentsC
increase GMD
All of the above
考题
单选题The distance traveled by the center of gravity perpendicular to the original course is（）.A
transferB
advanceC
kickD
tactical diameter
考题
单选题Which of the following statements describes the relationship between viscosity and specific gravity?（）A
Liquids with different viscosities will always have the same specific gravityB
Liquids with different viscosities will never have the same specific gravityC
Viscosity and specific gravity are directly proportionalD
Viscosity and specific gravity are not related in that one does not define or limit the other
考题
单选题The rate of expansion of heated fuel oil varies with the （）.A
conductivityB
viscosityC
volumeD
specific gravity
考题
单选题在一个相对布局中怎样使一个控件居中（）A
android：gravity=centerB
android：layout_gravity=centerC
android：layout_centerInParent=trueD
android：scaleType=cente
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