vector

1. That vector is called a "null vector".
那种矢量就叫做”零矢量“。

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2. An expressing vector of major outer-membrane protein of Chlamydia psittaci was constructed.
构建了鹦鹉热衣原体主要外膜蛋白的表达载体。

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3. This research intended to construct a eukaryotic expression vector with a site-directed mutation of porcine MSTN propeptide gene.
本研究旨在构建具有猪 MSTN 前肽基因定点突变的真核表达载体。

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4. I experience a vector quantity.
我经历了一个矢量的量变。

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5. It's a vector, perpendicular.
一个与半径垂直的矢量。

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6. Now, what's the gradient vector?
现在,梯度向量是什么呢?

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7. These involve vector quantities.
这些则包括向量。

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8. Well, you know the normal vector.
那么当然知道它的法向量。

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9. Remember this-- this is a vector.
记住它,这是个矢量。

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10. Of course, it's not a real vector.
显然,这不是一个实际意义上的向量。

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11. What is the normal vector?
那么法向量又是什么呢?

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12. We have this vector field.
这是向量场。

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13. Now, how do we get this unit vector?
那我们怎么得到这单位矢量呢?

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14. A I call this vector vector a.
我称之为矢量。

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15. It is not a unit vector.
它不是单位向量。

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16. So, the acceleration vector is;.
那加速度就是。

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17. That was a vector field in the plane.
它是一个在平面上的向量场。

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18. This makes it a vector.
它构成一个矢量。

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19. What about vector BP?
向量BP是什么?

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20. This is that vector.
就是这个矢量。

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21. Why else would you know a normal vector?
还有什么原因你会知道法向量?

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22. We dot our favorite vector field with it.
用我们喜欢的向量场来点乘它。

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23. So, this vector field is not conservative.
所以,这个向量场不是保守场。

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24. First, code a needle using vector drawing.
首先,为使用矢量图的指针编写代码。

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25. That means your normal vector points down.
那意味着法向量指向下。

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26. Add the access point to your location vector.
将访问点添加到位置向量中。

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27. That corresponds to normal vector pointing up.
那相当于法向量指向上。

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28. Then, if I choose any vector in that tangent plane.
那么如果我选择了任何位于切平面的向量。

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29. BP Now, let's think about vector ab and vector BP.
现在我们来考虑向量ab和向量。

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30. And, the direction is essentially that of a vector.
方向基本和这里的单位切向量一致。

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