右手系
right-handed system A convention for orienting axes: when the fingers of the right hand curl from the x-axis to the y-axis, the thumb points in the positive z-d
CSCA 数学 考试术语
right-handed system A convention for orienting axes: when the fingers of the right hand curl from the x-axis to the y-axis, the thumb points in the positive z-d
CSCA 数学 考试术语