单位切向量 dānwèiqiēxiàngliàng unit tangent vector Definitions Defs Origin Strokes Stroke Words Sentences Sents 单位切向量 (單位切向量) dānwèiqiēxiàngliàng unit tangent vector (math.) unit tangent vector Sources Definitions CC-CEDICT
单位切向量 (單位切向量) dānwèiqiēxiàngliàng unit tangent vector (math.) unit tangent vector Sources Definitions CC-CEDICT
