中文词源
quadrant 四分之一圆，象限
quadr-,四分之一，-ant,形容词后缀。引申词义四分之一圆，象限等。
英语词源
- quadrant (n.)
- 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.
权威例句
- 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。
- 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.
- 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.
- 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 ?
- 5. Physical examination is unremarkable except for tenderness over the left lower quadrant.
- 对她的体格检查除了腹部左下象限触痛没有其它明显表现.