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Vector is a useless survival, or offshoot from quaternions.是什么意思？

Vector is a useless survival, or offshoot from quaternions.

向量是无用的幸存物或四元数的无价值的支流.

相关词汇
vector is useless survival or offshoot from

vector

n. 矢量，航向，[生]带菌者，[天]矢径；vt. 用无线电引导，为…导航；

is

vt.& vi. 是（be的三单形式；n. 存在；

useless

adj. 无用的，无效的，无价值的，差劲的，不怎么样的；

survival

n. 幸存，生存，幸存者，遗物，遗风；

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；

offshoot

--

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；
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