The direction is tangent to the trajectory.
方向就是轨道的切线方向。
The trajectory of this object is different.
这个物体的运动轨迹是不同的。
That alone changed the trajectory of my success.
这改变了我成功的轨迹。
That alone changed the trajectory of my success.
光那一点改变了我成功的轨迹。
So, think of a line as the trajectory of a moving point.
把直线看作运动点的轨迹。
There is only the reality of the trajectory of a life spent.
这就是生命轨道的事实。
And, the line is the trajectory of a point as time varies.
这条直线可以看做是点随时间运动的轨迹。
Now, another useful notion is the unit vector to the trajectory.
还有一个有用的概念就是轨道的单位矢量。
So, now, let's try to paint, actually, the trajectory of a point.
现在我们来描绘一下点的轨迹。
The wheel will be going faster, but the trajectory is still the same.
车轮将运动地快一点，但是轨迹还是一样的。
But overall, the trajectory is consistent, and consistently downhill.
但是总的来说，总的轨迹是一致的，并且持续下滑。
The trajectory of life will not necessarily the way you like running.
人生的轨迹不一定会按你喜欢的方式运行。
I can calculate the trajectory of heavenly bodies, but not the madness of men.
我能计算出天体运行的轨迹，却无法预料到人们的疯狂。
Changes in water droplet shape then affected the the trajectory of dispersed spores.
他们发现，孢子形状的微小变化会明显改变水滴的形状，而水滴形状的变化则会影响孢子发射的轨迹。
It looks like it goes a bit higher up, which will be the trajectory of this red point.
它看上去应该高一点，这就是红点的轨迹了。
When we throw up an object in a gravitational field, you have the trajectory in a plane.
当我们把一个物体，放到引力场中，我们会得到在一个平面上的轨迹。
I want you to first see the trajectory of that golf ball before we bring the monkey in.
不过在这之前，你们得先看看高尔夫球的运动轨迹，猴子暂时还不急。
And, so when we think of the trajectory of the moving point, that's called a parametric equation.
而当我们考虑运动点的轨迹的时候，轨迹可以称作是参数方程。
The researchers found that the trajectory of plasmons became increasingly disorganized as they strayed.
研究者发现当等离子体辐射开来，其轨迹是杂乱无章的。
First of all, as you can see by the trajectory here, it's very conjunct, right, all neighboring notes here.
首先，你可以通过这里的轨迹看到，这是明显的级进，全是相邻的音符。
Of course I am different—though where the trajectory of my pre-9/11 life would have taken me is hard to say.
影响当然会有，不过沿着911之前的生活轨迹，我也不知道现在会是什么样。
- When you invest in yourself, you can never lose, and over time you will change the trajectory of your life.
而其后你会改变自己的人生轨迹。
And now, delta r should be essentially roughly equal to, well, its direction will be tangent to the trajectory.
这里，△r应该是近似等于。。。,它的方向是轨道的切线方向。
But early this year the number of train travelers on the route surpassed fliers, and the trajectory is ever upward.
不过到今年早些时候，高铁的旅客人数已经超过了汽车旅客人数。轨道交通后来居上。
There is a direct connection between the pattern of circulation and the trajectory of one's thought about knowledge.
人的循环模式与一个人思想知识的轨迹之间有一个直接的联系。
And, what it does is it actually integrates the speed of the time to give you the arc length along the trajectory of the car.
对速度做积分,告诉你车在轨道上走的弧长。
It's not a reach to say these extreme and prolonged climate activities could have affected the trajectory of social evolution.
尚不能下结论说这些极端且漫长的气候活动影响了人类社会的进化轨迹。
People who were unhappy with the trajectory tended to be older, white Republicans who are married and religiously observant.
认为这些模式不适当的多是老人、已婚和虔诚信教的共和党白人。
It was this decision that changed the trajectory of his life radically and made him a globally renowned person as a super it elite.
而这个决定，改写了他一生的轨迹，最终使他成为IT业界的精英，成为全球有名的成功人士。
It was this decision that changed the trajectory of his life radically and made him a globally renowned person as a super it elite.
而这个决定，改写了他一生的轨迹，最终使他成为IT业界的精英，成为全球有名的成功人士。
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