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汉语拼音：hú dù

旧称弪。表示角度大小的一种单位。当圆周上某一段圆弧的弧长等于该圆的半径时，称此圆弧所对的圆心角的大小为1弧度。1弧度约等于57˚17′44.8″。

• Flat shoulder characteristics: commonly known as the General shoulder. Shoulder arc smaller, more obvious shoulder and elbow bone.

  平肩特点：俗称将军肩。肩膀弧度较小，肩肘骨比较明显。

• I twist my neck, trying to catch her expression, but I can see only half of it: flutter of eye, curve of lip, and slice of cheek.

  我扭转脖子，想看看她的表情，可也只能看到一半儿：眼睛的煽动、嘴唇的弧度，面颊的一片儿。

• The next time you see a rainbow notice that you are in the center of the arc , and that if you move the rainbow moves with you.

  下次当你仔细观察彩虹，你会发现你正处于彩虹弧度的正中，并且当你移动是，彩虹中心也随你移动。

• The kind of grip is a little curved. Thick back, sharp blade, fitting length. It's fit for cutting, and is a practical shape.

  此种刀刀柄略带弧度，背厚刃利，长度适宜，适合砍劈，是相当实用的刀型。

• They move silhouetted against a land white as white, bathed in gentle light as the sun traces a low arc across the horizon.

  当太阳低弧度越过地平线时，它们走动的身影映衬着一地的雪白，沐浴在柔和的日光中。

• Night, I draw from a Labidocera angelic curvature of a sudden my blood boiling, and wind-off, hair flying in the wind.

  黑夜里，我的唇角划起一个天使般的弧度，我的血液顿时沸腾了，风吹过，发丝在风中飞扬。

• By mathematical method and computer simulation, it calculated the sun-light incidence rate of different surface radian curves of greenhouse.

  通过数学方法，并结合计算机模拟，对日光温室不同弧度的采光屋面太阳光入射率进行了严密的计算。

• This Western Chou caldron was used to plant flowers. Its special features include decorative lines cut all the way to the bottom and curls .

  西周的鬲被居民拿来种花。绳纹到底、有卷沿、档部有弧度为其特徵。

• Each arc must be clearly presented as a distinct quarter-circuit or more with the disc close to the vertical.

  每条弧度必须清晰的展示出四分之一垂直圆盘运动。