Read Edit View history 第一象限 dìyīxiàngxiàn first quadrant Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 第一象限 dìyīxiàngxiàn first quadrant The upper-right section of a coordinate plane where both the horizontal and vertical values are positive. Edit Delete References Add reference No references for this word.
第一象限 dìyīxiàngxiàn first quadrant The upper-right section of a coordinate plane where both the horizontal and vertical values are positive. Edit Delete