The plane circled twice, trying in vain to line up with the runway.
飞机盘旋了两圈，试图对准跑道降落却没成功。
The plane flies over this line.
飞机在这条线上飞行。
I can move in the line, in the line in a plane.
可以沿着曲线移动，在平面内的曲线移动。
OK, that's what would happen if a line is in the plane.
这就是直线在平面上所发生的事情。
That means the line really does not hit the plane ever.
也就意味着直线不可能击中平面。
Point, line, surface are all the factors belong to the plane constitution.
点、线、面都是属于平面构成的因素。
Use line and plane for measuring or locating.
普通线、普通面，一般用来测量、定位。
For section displays, the cutting plane is assumed to be perpendicular to this line.
为显示指定一个浏览方向，切割平面假设与这条线垂直。
The plane left a line drawing, in the endless diamond sky.
飞机划过一望无际的钻石天空。
Use solid line and solid plane for Boolean calculating.
实体线、实体面，一般用来执行布尔运算。
A median point, plane, line, or part.
中点，中间平面，中线或中间部分。
DIHEDRAL, the Angle between the wing reference plane and water line.
上反角，机翼基准面与水线之间的夹角。
A line segment forming part of the perimeter of a plane figure.
形成一个平面图形的边界的线段。
They are tuning up a plane on the flight line.
他们正在机场的飞机跑道上调试一架飞机。
The vertical line in a plane coordinate generally shows the value of the listed item.
平面坐标系的竖线一般都表示所列项目的数值。
飞机循直线飞行。
The plumB line is always perpendicular to the horizontal plane.
铅垂线总是垂直于水平面的。
The plane perpendicular to another line or plane through the origin.
与已知直线或平面垂直的平面；
Rolling direction perpendicular to the plane of the bus for the straight line roller.
在垂直于滚动方向的平面内的母线为直线的滚道。
My teacher hooked a line from my parachute to a steel ring inside the plane.
教练从我的降落伞上拉了一根绳子，系在机舱内的一个铁环上。
My teacher hooked a line from my parachute to a steel ring inside the plane.
教练从我的降落伞上拉了一根绳子，系在机舱内的一个铁环上。
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