It is only recently that researchers have started looking at the strange squiggles, semicircles, lines and zigzags that surround them.
只有到了现在，研究人员才刚刚开始观察石壁上那些奇怪的胡乱书写的文字、半圆图形、线条和锯齿形。
It consists of concentric semicircles of a polymer laid down on a gold film.
由一个同中心的半圆聚合物放置在金制膜层上构成的。
A more familiar symbol, the two semicircles laid one on top of the other, with the upward-arcing one broken where the other crossed it.
又画了一个相似的符号，两个半圆形分别在其他图案的顶部，朝上的圆弧穿过其他图形。
LXZK open type current transformer consists of two semicircles , which can be installed with the cable quickly and uniformly.
LXZK系列开启式零序电流互感器由两个半圆环型组成，可安装在连接好的电缆上，简便快捷，和谐美观。
One dolphin separates from the group and begins swimming back and forth in large semicircles .
一只海豚脱离集体，开始在一个大半圆中来回游动。
The second symbol, with the two separated semicircles, but inverted.
第二个符号，带着两个颠倒的分离半圆形。
Methods of Constructing Arrangements of Open Semicircles
开半圆的配置的构造方法
Number of Arrangements of Open Semicircles
开半圆的配置数
The Weights of the Edges in Arrangements of Open Semicircles
开半圆的配置中边的权
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