1) apse
[英][æps] [美][æps]
半圆形龛
2) Round window niche
圆窗龛
1.
Results Round window niche generally can be distinguished as two shapes: the approximate round shape (52%) and approximate halfround shape (48%).
结果圆窗龛(窝)的形态大体分为2种类型:近圆形(52%)和近半圆形(48%)。
3) hemicycle
[英]['hemi,saikl] [美]['hɛmə,saɪkḷ]
半圆形
1.
Development of the hemicycle deep trough belt conveyor;
半圆形深槽带式输送机的研究
4) semicircular cylinder
半圆柱形
1.
Experimental research on simple semicircular cylinder measuring-flume in rectangular canal;
矩形渠道半圆柱形简易量水槽试验研究
2.
The semicircular cylinder measuring flume is built directly in the volume of the original or new channels on the prism , and form construction of the semicircular cylinder-shaped columniation.
半圆柱形量水槽是在渠道上以渠道轴线为对称轴修建半圆柱形,无需改变渠道断面结构,适合在矩形断面渠道上安装使用。
5) semi-circular arch
半圆形拱
1.
The calculation of semi-circular arch under function of wanton vertical load;
任意竖直荷载作用下半圆形拱计算
6) half disk pattern
半圆图形
补充资料：半圆
①圆的直径的两个端点把圆周分成两条弧，每一条弧叫做半圆。②半圆（弧）和直径所围成的平面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条