要在你心目中,确定你喜欢做的是什么,然后方向不变勇往直前的去做。
Try to fix firmly in your mind what you would like to do; and then, without veering off direction, you will move straight to the goal.
转动惯性:物体在绕着自己的对称轴转动时,具有保持转速和转动轴方向不变的性质。
Moment of inertia: turning around its axis of symmetry, object has the character keeping speed and the direction of the axis of rotation not changing.
指数滑移导引律的基本思想是在逼近过程中,保证追踪星的当前位置和终端位置之间的矢量方向不变,而逼近速度逐渐减小;
The spirit of the exponential slippage guidance method is keeping the direction from temporary position to the aiming point while decreasing the approach speed.
At all future times, x proceeds as if nothing happened and then y, you are falling.
在此后的时间里 x 方向上的状态不变,而 y 方向上不断下落
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