late 14c., "a quarter of a day, six hours," from Middle French quadrant, from Latin quadrantem (nominative quadrans) "fourth part," also the name of a coin worth a quarter of an as, noun use of present participle of quadrare "to make square; put in order, arrange, complete; run parallel, be exact," figuratively "to fit, suit, be proper," related to quadrus "a square," quattuor "four" (see four). The surveying instrument is first so called c. 1400, because it forms a quarter circle. Related: Quadrantal.
实用例句
1. A symbol appears in an upper quadrant of the screen.
一个符号出现在屏幕上方的一个象限里。
来自柯林斯例句
2. One quadrant of a circle contains all possible values of Zxy.
圆的四分之一包括了所在可能的Zxy值.
来自辞典例句
3. The cells of the quadrant in turn become partitioned to from the eight - celled embryo.
四分体细胞于是分裂形成八细胞胚.
来自辞典例句
4. That's right at the edge of the Burnham Quadrant, right?
它就在波海姆象限区的边缘, 对 吗 ?
来自电影对白
5. Physical examination is unremarkable except for tenderness over the left lower quadrant.
