semi circular 半圆的
semi-circular groove 半圆型绳槽
brass semi-circular protractor 铜半圆规
horn semi-circular protractor 牛角半圆量角器
Semi-Circular Cruising Level 半圆制巡航空层 ; 半圆形巡航空层
semi circular path 半周轨道
Semi-circular rotary veneer 半圆旋切薄木
semi-circular parry 划半圆防守
The purpose in researching ice force on the semi-circular breakwater at different ice velocities is to provide evidences for sea ice load design when building semi-circular breakwater in the ice-infested Bohai Sea.
研究不同速度下的海冰对半圆型防波堤的作用力是为了对我国北方结冰海区建造半圆型防波堤提供海冰荷载设计依据。
参考来源 - 不同冰速下半圆型构件冰作用力试验与研究·2,447,543篇论文数据，部分数据来源于NoteExpress
ADJ Something that is semicircular has the shape of half a circle. 半圆形的
...a semicircular amphitheatre.
...一个半圆形露天竞技场。
Open cuffs are semi-circular in shape (see picture above right).
袖口是半开放式圆形（见上右图）。
Branches at the top is a semi-circular, in the middle grow into a slender stem, leaf is relatively wide.
枝条顶部是半圆形，中间长出一条细长的茎，叶片又是比较宽的。
It can only be taken from the shooting circle, a roughly semi-circular area in front of the opponents' goal.
只能在射门区内攻进的球才能得分。射门区是对方球门前的一个大致呈半圆形的区域。
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