1.
A narrow convex molding often having the form of beading.
半圆饰，串珠饰通常有装饰条形式的窄形凸起模型
2.
A large convex molding, semicircular in cross section, located at the base of a classical column.
柱脚圆盘线脚一种巨大的凸起装饰，呈环状半圆形，用于古典雕柱的底座
3.
double radius button head snap
双半径半圆头铆钉窝子
4.
An ornamental, often jeweled, crownlike semicircle worn on the head by women on formal occasions.
古波斯人头巾妇女在正式场合戴在头上的一种通常镶有珠宝且像王冠一样的半圆形装饰物
5.
A crescent-shaped or semicircular space, usually over a door or window, that may contain another window, a sculpture, or a mural.
弧形空间通常在门或窗上的新月形或半圆形空间，它可包含另外一个窗、雕刻或壁饰
6.
The half dome over an apse.
穹内半圆顶教堂后部的半圆形穹顶
7.
circular and filled with tracery.
圆形的缀满窗饰的窗户。
8.
dressed and matched bead
经修饰和调合的串珠饰或圆线条
9.
dangerous sector
危险半圆(北半球危险半圆在风暴轨迹的右边
10.
A round or oval dormer window.
一圆形或椭圆形的装饰窗
11.
A small circle, especially a circular ornament.
小圈小圆圈，尤指一种圆形饰物
12.
Woodruff keys--Types and dimensions
GB/T1099-1979半圆键型式尺寸
13.
a semicircle of chairs
排列成半圆形的椅子
14.
(used of the moon) more than half full.
（用来指月亮）大于半圆。
15.
Round head rivets
GB/T867-1986半圆头铆钉
16.
Round head rivets--Black
GB/T863.1-1986半圆头铆钉(粗制)
17.
precision semi-automatic universal cylindrical grinder
精密半自动万能圆磨床
18.
Cup head nib bolts
GB/T13-1988半圆头带榫螺栓