axis of symmetry
[数] 对称轴;对称轴线
2025-08-10 21:18 浏览次数 5
[数] 对称轴;对称轴线
1. a straight line about which a body or a geometric figure rotates or may be supposed to rotate
the Earth's axis
2. a straight line with respect to which a body or figure is symmetrical
the axis of a cone — called also axis of symmetry
3. a straight line that bisects at right angles a system of parallel chords of a curve and divides the curve into two symmetrical parts
4. one of the reference lines of a coordinate system (see coordinate entry 3 sense 1a)
5. the second vertebra of the neck on which the head and first vertebra turn as on a pivot
6. any of various central, fundamental, or axial parts
7. a plant stem
8. one of several imaginary lines assumed in describing the positions of the planes by which a crystal is bounded and the positions of atoms in the structure of the crystal
9. a main line of direction, motion, growth, or extension
the axis of a city
10. an implied line in painting or sculpture through a composition to which elements in the composition are referred
fruit and flowers arranged about a diagonal axis
11. a line actually drawn and used as the basis of measurements in an architectural or other working drawing
12. any of three fixed lines of reference in an aircraft that run in the longitudinal, lateral, and vertical directions, are mutually perpendicular, and usually pass through the aircraft's center of gravity
13. partnership, alliance
an axis of countries
14. a point or continuum on which something centers
an axis of social power
15. of or relating to the three powers Germany, Italy, and Japan engaged against the Allied nations in World War II
16. the imaginary straight line that something (such as the Earth) turns around
17. a straight line that divides a shape evenly into two parts
18. a straight line about which a body or a geometric figure rotates or may be thought of as rotating
the earth's axis
19. a line of reference used to assign numbers to locations in a geometric plane
principal axis of symmetry主对称轴
sixfold axis of symmetry六重对称轴
alternative axis of symmetry交替对称轴
optical axis of symmetry光学对称轴
common axis of symmetry常对称轴
axis of tetragonal symmetry四次对称轴
symmetric axis对称轴
screw axis of symmetry螺旋对称轴
axis of trigonal symmetry三次对称轴
the experimental results show: (1) the particle trajectories may pass through the axis of symmetry of the chamber;
实验结果表明:1)粒子轨迹完全有可能穿过对称轴;
please draw the axis of symmetry of the following figure.
请画出一张生活中能见到的轴对称图形。
the decline of brightness from its central peak along this axis of symmetry is different in the opposite directions.
在相反的延伸方向上,沿着对称轴的亮度峰值的衰减是不同的。
the parachute axis of symmetry equation and radial equation were rationally simplified. integrated with other experienced formulas, the movement process of parachute inflation was described.
在降落伞轴向和径向动量方程的基础上进行一些合理的简化,并结合其他经验公式基本描述了降落伞整个充气阶段的运动过程。
the chamber may include an axis of symmetry extending between the first and second projecting portions (42,44).
所述腔可以包括在所述第一和第二凸出部分(42,44)之间延伸的对称轴线。
the numerical simulations show that the imaging results based on ait single frequency measurements on the axis of symmetry are in excellent agreement with the true conductivity profile.
数值计算表明,用井轴上ait的单频测量信号得到的成像结果与真电导率剖面分布吻合较好。
base(Base) (英、美、爱尔兰)马濑(人名)
capital(Capital)人名;(法)卡皮塔尔
center居中,被置于中心
central电话总机
core核心;要点;果心;[计] 磁心
cynosure指针;众人瞩目的焦点
epicenter震中;中心
eye(Eye)人名;(德)艾厄;(英)艾
focus焦点;中心;清晰;焦距
ground zero“爆心投影点”组织;着地点
heart结心
hub(Hub)人名;(捷)胡布
locus[数] 轨迹;地点,所在地
mecca麦加(沙特阿拉伯一座城市);众人渴望去的地方
navel[解剖] 肚脐;中央;中心点
nerve center神经中枢;神经元
nexus关系;连结,连系
nucleus核,核心;原子核
omphalos浮饰;圆锥形神石;肚脐
seat使…坐下;可容纳…的;使就职