(1)
(2)
(1)
(2)
(3)
(4)
(5)
(6)
(1)
(2)
(1)
(2)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(1)
(2)
(3)
(4)
(5)
(6)
(1)
(2)
(1)
(2)
(1)
(2)
(1)
(2)
|
简明英汉词典 | ||
|
quadrant | |
| [5kwCdrEnt] | ||
| n. | ||
(1) |
象限, 四分仪 | |
(2) |
信号区 | |
|
美国传统词典[双解] | ||
|
quadrant | |
| quad.rant | ||
| AHD:[kw?d“r…nt] | ||
| D.J.[6kw%dr*nt] | ||
| K.K.[6kw$dr*nt] | ||
| n.Abbr. quad.（名词）缩写 quad. | ||
(1) |
Mathematics | |
| 【数学】 | ||
(2) |
A circular arc of 90=; one fourth of the circumference of a circle. | |
| 九十度弧；圆周的四分之一 | ||
(3) |
The plane area bounded by such an arc and two perpendicular radii. | |
| 四分之一圆，扇形体：由九十度弧与两条垂直的半径围成的平面图形 | ||
(4) |
Any of the four areas into which a plane is divided by the reference axes in a Cartesian coordinate system, designated first, second, third, and fourth, counting counterclockwise from the area in which both coordinates are positive. | |
| 象限：在笛卡尔坐标系中，被坐标轴分开的平面中的四个区域的任一个，命名为第一，第二，第三 和 第四， 从此象限逆时针计算坐标为正数 | ||
(5) |
A machine part or other mechanical device that is shaped like a quarter circle. | |
| 扇形体：形状似四分之一圆圈的机器零件或其他机械设备 | ||
(6) |
An early instrument for measuring altitude of celestial bodies, consisting of a 90= graduated arc with a movable radius for measuring angles. | |
| 象限仪：用来测量天体纬度的一种早期工具，由一个有90度刻度的圆弧和一个用来测量角度的可移动的半径构成 | ||
|
语源 | ||
(1) |
Middle English [quarter of a day] | |
| 中古英语 [一天的四分之一] | ||
(2) |
from Latin quadr3s quadrant- [a fourth part] * see k wetwer- | |
| 源自 拉丁语 quadr3s quadrant- [第四部分] *参见 k wetwer- | ||
|
现代英汉词典 | ||
|
quadrant | |
| [5kwRdrEnt] | ||
| n. | ||
(1) |
四分之一圆周；象限 | |
(2) |
象限仪 | |
|
现代英汉综合大辞典 | ||
|
quadrant | |
| [5kwCdrEnt] | ||
| n. | ||
(1) |
【数】象限; 圆周的四分之一; 两条直线垂直相交划出的一区域或一部分 | |
(2) |
【天, 航海】象限仪; 四分仪 | |
(3) |
【生】四分体 | |
(4) |
长度单位(=10, 000 kilometres) | |
(5) |
扇形体; 鱼鳞板; 扇形舵;【机】扇形齿轮 | |
(6) |
移向器 | |
(7) |
无线电导航信号区 | |
(8) |
双反射测角镜 | |
| the upper right quadrant of a page | ||
| 书页的右上方 | ||
|
继承用法 | ||
|
quadrantal | |
| adj. | ||
|
特殊用法 | ||
|
azimuth quadrant | |
| 地平象限仪 | ||
|
brake lever quadrant | |
| 制动杆扇形板 | ||
|
bubble quadrant | |
| 带汽泡水准的扇形测角仪 | ||
|
counter quadrants | |
| 对部 | ||
|
counter-lateral quadrants | |
| 对侧部 | ||
|
deck sash quadrant | |
| 顶棚窗扇形板 | ||
|
elevator quadrant | |
| 升降机扇形齿轮 | ||
|
gear quadrant | |
| 扇形齿轮(板), 转向齿轮, 月牙轮 | ||
|
gunner's quadrant | |
| 火炮象限仪 | ||
|
lower quadrant | |
| 下象限 | ||
|
rudder quadrant | |
| 方向舵扇形体 | ||
|
stream quadrant | |
| 测流象限 | ||
|
throttle lever quadrant | |
| 节流杆扇形板 | ||
|
upper quadrant | |
| 上象限 | ||
|
[七国语言]英汉地质大词典 | ||
|
quadrant | |
| 象限, 四分部 | ||
|
[七国语言]英汉地理大词典 | ||
|
quadrant | |
| 象限, 四分仪 | ||
|
[七国语言]英汉电子工程大词典 | ||
|
quadrant | |
| 象限 | ||
|
[七国语言]英汉建筑大词典 | ||
|
quadrant | |
| 四分体, 扇形体 | ||
|
[七国语言]英汉矿业大词典 | ||
|
quadrant | |
| 象限 | ||
|
[七国语言]英汉轻工业大词典 | ||
|
quadrant | |
| 扁形体 | ||
|
[七国语言]英汉数学大词典 | ||
|
quadrant | |
| 象限 | ||
|
[七国语言]英汉信息大词典 | ||
|
quadrant | |
| 四分之一圆周 | ||
|
美国传统词典 | ||
|
quadrant | |
| quad.rant | ||
| AHD:[kw?d“r…nt] | ||
| D.J.[6kw%dr*nt] | ||
| K.K.[6kw$dr*nt] | ||
| n.Abbr. quad. | ||
(1) |
Mathematics | |
(2) |
A circular arc of 90=; one fourth of the circumference of a circle. | |
(3) |
The plane area bounded by such an arc and two perpendicular radii. | |
(4) |
Any of the four areas into which a plane is divided by the reference axes in a Cartesian coordinate system, designated first, second, third, and fourth, counting counterclockwise from the area in which both coordinates are positive. | |
(5) |
A machine part or other mechanical device that is shaped like a quarter circle. | |
(6) |
An early instrument for measuring altitude of celestial bodies, consisting of a 90= graduated arc with a movable radius for measuring angles. | |
|
语源 | ||
(1) |
Middle English [quarter of a day] | |
(2) |
from Latin quadr3s quadrant- [a fourth part] * see k wetwer- | |
|
[名词委审定]英汉船舶工程名词(定义版, 1998) | ||
|
quadrant | |
| 舵扇 | ||
|
[名词委审定]英汉测绘学名词(定义版, 2002) | ||
|
quadrant | |
(1) |
象限仪 | |
(2) |
装有望远镜的罗盘仪，用于测定地面上某直线的磁象限角。 | |
|
[名词委审定]英汉机械工程名词(一, 定义版, 2000) | ||
|
quadrant | |
(1) |
分角 | |
(2) |
又称“相限”。用水平和铅垂的两投影面将空间分成的各个区域。 | |
|
[名词委审定]英汉数学名词(1993) | ||
|
quadrant | |
| 象限 | ||
|
[名词委审定]英汉铁道科技名词(1997) | ||
|
quadrant | |
| 扇形齿板 | ||
|
[名词委审定]英汉天文学名词(定义版, 1998) | ||
|
quadrant | |
(1) |
象限仪 | |
(2) |
(1) 由一竖直安放的90°象限弧及瞄准器构成的用来测量天体地平经度的古代天文测量仪器。(2) 特指康熙年间由比利时传教士南怀仁监制的清代八件大型铜制天文仪器之一。 | |
|
英汉船舶大词典 | ||
|
quadrant | |
| n.扇形舵柄,扇形体;n.象限 | ||
|
基本词义 | ||
|
quadrant | |
| n.四分的 | ||
|
朗文英汉综合电脑词典 | ||
|
quadrant | |
| 象限[QUAD] | ||
|
英汉电信大词典 | ||
|
quadrant | |
| n.象限,象限仪 | ||
|
英汉地质大词典 | ||
|
quadrant | |
| n.象限,象限仪,四分部 | ||
|
英汉纺织大词典 | ||
|
quadrant | |
| n.象限 | ||
|
英汉航海大词典 | ||
|
quadrant | |
| n.象限,四分之一圆周 | ||
|
英汉航空大词典 | ||
|
quadrant | |
| n.象限,象限仪 | ||
|
英汉海运大词典 | ||
|
quadrant | |
| 舵扇扇形体，扇形舵柄，四分仪，象限，八分仪，象限仪 | ||
|
基本词义 | ||
|
quadrant | |
| 象限，舵扇八分仪，象限仪 | ||
|
基本词义 | ||
|
quadrant | |
| 象限扇形体舵扇，扇形舵柄 | ||
|
基本词义 | ||
|
quadrant | |
| 象限扇形体舵扇，扇形舵柄象限仪，四分仪 | ||
|
英汉进出口商品词汇大全 | ||
|
quadrant | |
| ①象限仪②直角换向器 | ||
|
英汉经贸大词典 | ||
|
quadrant | |
| n.象限,四分之一圆周,象限仪 | ||
|
英汉计算机大词典 | ||
|
quadrant | |
| n.象限(四分之一圆周,象限仪 | ||
|
英汉机械大词典 | ||
|
quadrant | |
| n.象限 | ||
|
英汉建筑大词典 | ||
|
quadrant | |
| n.象限,象限仪,四分之一圆 | ||
|
英汉农牧林大词典 | ||
|
quadrant | |
| n.四分体,象限,象限仪,四分部 | ||
|
英汉能源大词典 | ||
|
quadrant | |
| n.象限,四分之一圆周,象限仪 | ||
|
英汉水利大词典 | ||
|
quadrant | |
| n.象限,四分之一圆,四分仪 | ||
|
英汉心理学大词典 | ||
|
quadrant | |
| 象限 | ||
|
英汉冶金大词典 | ||
|
quadrant | |
| n.象限,象限仪 | ||
|
英汉医学大词典 | ||
|
quadrant | |
| n.四分体,象限 | ||