在拉力测量期间，可以在水平面内对门进行支承。
The door may be supported in a horizontal plane during the pull force measurement test.
支承时，尽量将划线平台的工作面调整到水平面内。
When supporting, as far as possible face plate's working surface will adjust in the horizontal plane.
赤道上作非水平面内运动的物体所受的地转偏向力并不等于零。
On the equator the deflection force of earth rotation which acts on the objects in non horizontal motion is not equal to zero.
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