Now what I want to find,actually, V is what are these two vectors, let's call them U and V, that correspond to moving a bit in the x direction or in the y direction?
现在我实际上想知道的是,这两个向量是什么,我们称它们为,U和,两者对应的是x方向和y方向一点位移?
If I could be any letter in the alphabet, I'd choose "V" so I can be next to "U";
如果我能变成字母表中的任何一个字母,我会选择“V”,因此我可以靠近你。
If you think of two towns down here, Brive,b-r-i-v-e,famous for its rugby, and Tulle,t-u-l-l-e,which is a capital.
如果你可以想起来这儿的两个城镇,布瑞福,b-r-i-v-e,以英式橄榄球运动而负有盛名,图勒,t-u-l-l-e,是一个省的首府
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