High-pure gene fragments could be obtained from little amount of sample through PCR and T-vector.

利用PCR反应和T载体可以从少量的标本中，高效获得高纯度的目的基因。

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It has a hat because it's a unit vector, and t because it's tangent.

这上面有一个帽子表示它是单位矢量，T表示它是切线。

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Well, to answer that we have an easy observation, which is that the vector from Q0 to Q of t is proportional to the vector from Q0 to Q1.

为了回答这个问题，我们观察可以知道，由Q0指向Q的那个向量,和由Q0指向Q1的向量成比例。

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While vector-based rendering isn't original in itself, the researchers' method is supposedly unique in filling the gaps between the contours with the kind of visual quality a pro videographer would crave.

ENGADGET: University of Bath develops efficient vector-based video, says pixels are old hat