circular

英 [ˈsɜːkjələ(r)]

美 [ˈsɜːrkjələr]

adj. 圆形的; 环形的; 圆的; 环行的; 绕圈的; 循环论证的(以一种观点证明另一观点，接着再用后一种观点反过来去证明前一观点)
n. (同时送达很多人的)印刷信函(或通知、广告)

复数：circulars　

Collins.2 / BNC.4711 / COCA.6749

牛津词典

adj.

圆形的；环形的；圆的
shaped like a circle; round
1. a circular building
  圆形建筑物
环行的；绕圈的
moving around in a circle
1. a circular tour of the city
  环城游览
循环论证的（以一种观点证明另一观点，接着再用后一种观点反过来去证明前一观点）
using an idea or a statement to prove sth which is then used to prove the idea or statement at the beginning
大量送发的；传阅的
sent to a large number of people

noun

（同时送达很多人的）印刷信函（或通知、广告）
a printed letter, notice or advertisement that is sent to a large number of people at the same time

See also:...a circular hole twelve feet wide and two feet deep...Place your hands on your shoulders and move your elbows up, back, and down, in a circular motion.semi-circular
ADJ (旅程或路线)环行的，巡回的
Acircularjourney or route is one in which you go to a place and return by a different route.
1. Both sides of the river can be explored on this circular walk.
  沿着这条环行线路走一圈，河的两边都可以看到。
(论证或理论)循环论证的
Acircularargument or theory is not valid because it uses a statement to prove something which is then used to prove the statement.
N-COUNT (同时发送给很多人的)广告印刷品，通告
Acircularis an official letter or advertisement that is sent to a large number of people at the same time.
1. The proposal has been widely publicised in BBC-TV press information circulars sent to 1,800 newspapers.
  在英国广播公司电视台发送给1,800家报社的新闻通报中，这项提议得到了广泛的宣传。

noun

an advertisement (usually printed on a page or in a leaflet) intended for wide distribution
1. he mailed the circular to all subscribers
Synonym:handbillbillbroadsidebroadsheetflierflyerthrowaway

adj

This method can be used to other problems of flows around circular cylinder.
该方法也可用于其他圆柱绕流问题。
Both sides of the river can be explored on this circular walk.
沿着这条环行线路走一圈，河的两边都可以看到。
( geometry) a curve generated by the intersection of a plane and a circular cone.
（几何）一个平面和一个圆锥体相交而生成的曲线。
The full moon is circular.
满月呈圆形。
This paper investigates the problem of the elastic interaction between a screw dislocation dipole and a circular interface crack.
该文研究了螺型位错偶极子和圆形夹杂界面裂纹的弹性干涉作用。
The report on strategies and action plan of circular economy development in iron and steel-making, aluminum-making industrial sectors;
完成炼钢和制铝工业部门循环经济发展战略和行动计划报告；
The work interposes a glass plate between two large circular mirrors.
该艺术品在两面圆形大镜子中间插入一块玻璃板。
Perturbation analysis of free capillary-gravity surface-waves in a circular cylindrical basin is developed.
对圆柱形容器中的自由毛细重力表面波进行了摄动分析。
These tubes are not necessarily of circular cross-section.
这些毛细管不一定具有圆形断面。
She paid a circular visit among her relation.
她逐一拜访她的亲友。