方向就是轨道的切线方向。
我需要画出这个圆的一条切线吗？
画出该曲线两个分支的两条切线。
跑切线的路线。
记者：你的网名“黑暗切线”是怎么来的？
Reporter: Where did your handle, "The Dark Tangent" come from?
海尔兄：沿着旋涡的切线方向。全速冲出！
EB: We are rushing out on the tangent of the whirlpool. Full speed!
这上面有一个帽子表示它是单位矢量，T表示它是切线。
It has a hat because it's a unit vector, and t because it's tangent.
我们知道fx和fy是,曲面上两条切线的斜率。
We know that f sub x and f sub y are the slopes of two tangent lines to this plane, two tangent lines to the graph.
切线参数，设定了线切断后缩放仪移动的总路程。
Thread Cut parameter that sets the amount of pantograph movement after a thread trim.
SVG可以使图像转向，以便它总是面向它所移动方向的切线。
SVG can turn an image so it always faces the tangent of the line it is following.
这里，△r应该是近似等于。。。,它的方向是轨道的切线方向。
And now, delta r should be essentially roughly equal to, well, its direction will be tangent to the trajectory.
一个给定点的导数不过就是一条切线的斜率轻吻了那个点。
A derivative at a given point is just the slope of the tangent line that kisses that point.
松散岩块的切线模量和割线模量均与轴向应变呈指数相关性。
Both the tangential modulus and secant modulus are exponential with axial strain.
如果我们画的Q点足够接近P点，就可以正确地画出切线了。
And, if we draw it close enough, then that's gonna be the correct line.
如果你想要严格的近似等式,那就意味着我们要用切线逼近来取代原函数。
If you want strict equalities in approximations means that we replace the function by its tangent approximation.
他的样本跨度比我的要大多了，所以他得出的切线资产组合会和我的不同。
Now, he's using a much longer sample than I did, so he's not going to get this tangency portfolio that I did.
上盘岩块相对地变动不大，而其下的矿石带却具有许多切线运动的证据。
The hanging wall block is relatively little disturbed, but the ore zone beneath bears abundant evidence of tangential movements .
换种我认为更贴近事实的说法，它们是通过赋值而得到切线的近似值的，一种占位符。
Another way to say it, and I think that is probably closer to the truth, is that these things are somehow placeholders to put values and get a tangent approximation.
小曲率和严重倾斜的支撑能在只允许切线运动的支撑上引起过度的侧向热力。
Sharp curvature and sharply skewed supports can cause excessive lateral thermal forces at supports if only tangential movement is permitted.
泵壳应该有适当的肋骨，按切线方向排放，能够再加固以支撑电机总成的重量。
The pump casing shall be suitably ribbed have tangential discharge and be reinforced to support the weight of the motor assembly.
泵壳应该有适当的肋骨，按切线方向排放，能够再加固以支撑电机总成的重量。
The pump casing shall be suitably ribbed, have tangential discharge, and be reinforced to support the weight of the motor assembly.
泵壳应该有适当的肋骨，按切线方向排放，能够再加固以支撑电机总成的重量。
The pump casing shall be suitably ribbed have tangent ial discharge and be reinforced to support the weight of the motor assembly.
原始的材质贴图坐标和高度数据已经在切线空间中了，因此视向量最好也能如此。
The original texture coordinate and height values are already represented in tangent space, so the eye vector must be as well.
从视觉上看，我们要做的是，想办法，在这个反函数，在反函数上取一个点，设法找出切线。
And visually what we're accomplishing is somehow to take the hyperbola, and take a point on the hyperbola, and figure out some tangent line.
资本资产定价模型是非常重要的模型-，假设每人是理性的，并持有切线资产组合。
The asset pricing model — and this is critical — assumes everyone is rational and holds the tangency portfolio.
切线是一条直线，刚好接触到曲线，所以跑切线是从一个弯道跑到另一个最短的距离。
A tangent is a straight line that just touches a curve, so the concept of "running the tangents" is to run the shortest distance possible by running straight from one curve to the next.
有多少设计是限于创造工具而被迫选择了正切的造型形式(比如有切线限制的实体建模软件)？
How many are tangentially sculpted because of the tools of creation (tangent-restricted solid modeling software)?
有多少设计是限于创造工具而被迫选择了正切的造型形式(比如有切线限制的实体建模软件)？
How many are tangentially sculpted because of the tools of creation (tangent-restricted solid modeling software)?
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