four vector 时空向量
frequency four-vector 频率四维矢量 ; 频率四维矢
time-like four-vector 类时四向量
four-vector potential [电磁] 四元矢量势
Lorentz four-vector 洛伦兹四元矢量
Potential Four-Vector 四元矢量势
four-vector of current density 四维电流密度矢量
Charge four-vector 四维电流密度
以上来源于: WordNet
When creating animations it USES four types of layers: vector graphics, bitmap, sound and camera.
它用四种类型的图层来创建动画:矢量、图形、位图以及声音和照相机。
I have used a Suunto Vector for the past four years.
我过去四年一直在用一块Suunto Vector。
An expression that is the sum of a real number and a vector and that contains four terms, one real and three imaginary.
四元数一实数和一矢量的和的表达式,有四个项,一个为实数项,另外三个为虚数项。
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