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汉语拼音：bàn jìng

连接圆心和圆周上任意一点的线段叫做圆的半径；连接球心和球面上任意一点的线段叫做球的半径。

1. 连接圆心和圆周上任意一点的直线，或连接球心和球面上任意一点的直线。

• We are measuring the radius of the circle.

  我们正在测量圆的半径.

• Roundness depends on the sharpness or radius of curvature of the edges.

  浑圆度取决于边角的锐度或曲率半径.

• The diameter of Mars is slightly over half that of the earth.

  火星的直径比地球的半径稍大些.

• The given radius being 4 ft., find the circumference.

  已知半径为四英尺, 求周长.

• The particle radius unit, the micron, is especially common and useful.

  粒子半径的单位是微米, 微米这个单位尤其普通和有用.

• What [ How long ] is the radius of this circle?

  这个圆的半径有多长?

• This curve can be plotted well against particle radius.

  这一曲线可以很好地用粒子的半径来描绘.

• There is a velocity difference across the radius of the pipe.

  这条管道半径两端间存在一速度差.

• Information on nuclear radius comes from a variety of sources.

  关于原子核半径的知识有各种来源.

• Hence, the damage radii can not be determined from overpressure alone.

  因此, 破坏半径不能单单由超压力大小来决定.

• The beam bends to a circular profile of radius R.

  梁弯曲成半径为R的园形形状.

• The saddles must have a generous radius.

  马鞍必须有足够的半径.

• The free energy increases monotonically with increasing radius.

  自由能随半径的增大而单调地增加.

• In the alternate approach, the burning rate is expressed as a function of drop radius.

  在另一种方法中, 燃烧速率表示为液滴半径的函数.

• The radii of the rings are determined by the spacing of the gravity observation points.

  圆的半径为重大观测点之间的距离所决定.