他们站成了半圆形。
But, if it's like a circle or a half circle, or things like that, then even if a problem doesn't tell you to do it in polar coordinates you might want to seriously consider it.
但是如果它是一个圆或者半圆，或者是类似的，即使题目没有提示你在极坐标里做，你也应该认真考虑一下。
Well, the directions in which I will actually hit my circle are all the directions in the right half of a plane.
与圆有交点的方向,是在平面右半部分的全部方向。
In figure 1, you will find a column displaying a solid circle, a half-solid circle, and an empty circle for each received message.
在图1中，您将发现其中一列对于接收的每条消息显示实心圆圈、半实心圆圈或空心圆圈。
Just as many times 100, 000 miles, as 144 degrees are contained in 360 degrees (the entire circle), viz., two and a half times. Hence, the current travels 250, 000 miles in a second.
按100 000英里电线长度除以镜子转动的次数来计算，360度与144度之比是2.5倍，那么每秒时间内电流传输的距离就是250 000英里。
A custom half-circle window was installed in the breakfast nook.
一个订制的半圆窗安装在早餐区的角落。
Finally, the clutch model is verified through an experiment that the end of manipulator runs along a space half circle trajectory in small range, and the advanced compensation methods are proposed.
最后，通过一个半圆圆弧轨迹跟踪试验，验证了在小范围运动的条件下该调速模型的正确性，并为轨迹误差补偿提出了改进方案。
This constellation looks like a half-circle, in middle of which is a white jewel of a star called Gemma.
此星座看起来像一个半圆，在它中间是一颗如同白宝石般被称作“杰玛”的星星。
In fact every body is a not complete circle, destining to to look for the life of another the half circle, …
其实每个人都是一个不完整的圆，注定要寻找生命的另一半圆，但是在寻求的过程中很艰难。
Down below, there was a large room in the shape of a half circle.
在下面，有一个呈半圆形的大房间。
It's minced beef and potatoes baked in a pastry casing in a half-circle shape.
那是碎牛肉和马铃薯，用糕饼皮包好，作成半圆形，烘烤成饼。
It's hard to imagine that the film star could remain active in the film circle for as long as half a century.
很难想象这位电影明星在电影界一直活跃了长达半个世纪之久。
In the later half of the 20th century, the problem of "the law of beauty" arising from Marx 'early work caused a heated argument in the aesthetic circle.
20世纪下半叶，出自马克思早年著作的“美的规律”问题曾引起我国美学界热烈争论。
He was sitting on the floor in a half-circle discussing something.
他在一半中坐在地板上-讨论某事的圆周。
The memorial has a large wall that is shaped in a half-circle.
纪念馆有一个半圆形的巨大墙壁。
Yesterday I went to the zoo, let me most impressive is a long green snake and put his half body in a circle.
我昨天去了动物园、让我印象最深刻的是一条长着绿色半点的蛇、把自己身体盘成一个圈。
Two more destroyers were trailing black smoke, moving at only half speed. They were maneuvering in a counterclockwise circle around Yamato, adding their guns to the collective fire.
另两艘驱逐舰也冒着长长的黑烟，航速只有先前的一半，它们行驶过来后呈逆时针方向环绕大和号，以便集中对空火力。
Once she drew a sketch of our teacher Dr. B. b's head in the shape of an egg with a half circle of hair, which made us burst out laughing.
有一次她给我们的老师b.b。博士画了一幅素描：鸡蛋形的头上有半圈头发，使我们哈哈大笑。
Once she drew a sketch of our teacher Dr. B. b's head in the shape of an egg with a half circle of hair, which made us burst out laughing.
有一次她给我们的老师b.b。博士画了一幅素描：鸡蛋形的头上有半圈头发，使我们哈哈大笑。
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