Telephone wires hum along the white roads, which always run at right angles.

电话线沿着总是成直角的白色道路嗡嗡作响。

The two lines on the left intersect each other at a right angle which is 90 degrees.

左的条线以90度的直角相交。

He saw the ringleader and threw a right-angled knife.

他看见了头目并扔出了把直角的刀。

Take four identical right triangles with side lengths a and b and hypotenuse length c.

取四个全等的直角三角形，分别长 a 和 b，斜长 c。

He understood right angles and clear instruction manuals. Assembly models and drawings. Things one could draw on paper.

他理解直角和清晰的产品说明，可以画到纸上的东西。

Stilgar stood at one side motioning them into a low hole that opened at right angles.

Stilgar站，示意他们进入个直角开口的低洞。

Root 2 simply is the hypotenuse of a right triangle

而 √2 只是长度为 1 的 直角三角形之斜。

A mile from the clearing he came upon the spoor of two ponies crossing his path at right angles.

离空地英里处， 他发小马的脚印以直角穿过他的小路。

They compared the speed of light in the direction of the earth's motion with that at right angles to the earth's motion.

他们比较了地球运动方向上的光速和与地球运动成直角的光速。

Instead of following the drive down to the gate, M. Bex turned up a path that branched off at right angles.

M. Bex 没有沿着车道直走到大门， 而是拐了条直角分叉的小路。

Prim, right-angled paths neatly bordered with clamshells, intersected it like moist red ribbons and in the beds between old-fashioned flowers ran riot.

朴素的直角小路整齐地镶嵌着蛤壳，像潮湿的红丝带样交叉，老式鲜花之间的花坛里乱七八糟。

As Archer entered he was smiling and looking down on his hostess, who sat on a sofa placed at right angles to the chimney.

阿切尔进来时微笑着低头看着他的女主人，她坐张与烟囱成直角的沙发上。

A table could also have a sharp edge where the two pieces of wood meet or where there is a corner, a right angle, to the wood.

张桌子也可以有个锋利的缘，块木头相遇的地方或有个角，与木头成直角的地方。

But how do we know that the theorem is true for every right triangle on a flat surface, not just the ones these mathematicians and surveyors knew about?

但是我们怎么知道这个定理对平面上的每个直角三角形都成立，而不是些数学家和测量人员所推测的呢？

At the end there was a jog in the hall and then another hall at right angles and the head of a big old-fashioned staircase with white oak bannisters.

尽头有个大厅里慢跑的地方， 然后是另个呈直角的大厅， 还有个带白橡木栏杆的老式大楼梯的尽头。

So you can see here that these windows have been broken but you can see an interesting aspect of sodium chloride that when it breaks it forms cracks that form at right angles.

所以你可以这里看到这些窗户已经被打破， 但你可以看到氯化钠的个有趣的方面，当它破裂时， 它会形成直角的裂缝。

Limbs that have grown outward for centuries at right angles to the trunk begin to turn upward to assist in making a new crown, each speedily assuming the special form of true summits.

几个世纪以来与躯干成直角向外生长的四肢开始向上转动，以帮助形成新的冠，每个都迅速呈出真正顶峰的特殊形式。

" You have to play in a boxed area and you have to stand at a right angle to the wind, " he said proudly. " And you can't use aluminum to make your glass string" .

" 你必须指定的区域放风筝，并且你必须站风向成直角的地方。" 他骄傲地说，" 还有，你不能用铝来做玻璃线。"