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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