Zero vector can have a lot of direction, but only one length.
零向量可以有很多方向，却只有一个长度。
Children's telomeres did, indeed, correlate in length with those of their parents-but they correlated only with one parent, the father.
孩子们的端粒长短确实与其父母相关，但只是与父母中的一位相关。
They will basically be the same sensor and focal length, but one will be tasked to carry full color info, the other will capture only black and white but will be better at low light situations.
他们基本上将相同的传感器和焦距，但一个人的任务是将进行全彩色信息，另将捕获只有黑与白，但会在低光情况下更好。
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