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- I.Waller.Expression for time of powers the electron radius for hydrogenic orbits[J].Z.Phys., 1926,38:635. 侯春风等.;相对论性氢原子径向算符矩阵元的通项公式[J]
- We can compute the circular area with radius. 我们能用半径计算出圆的面积。
- Moving or directed along a radius. 沿着或向着半径移动的
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- The police searched all the woods within a six-mile radius. 警察搜索了在周围六英里以内的树林各处。
- There are three lakes within a radius of five miles. 周围五英里之内有三个湖泊。
- The given radius being 4 ft., find the circumference. 已知半径为四英尺,求周长。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- Every family within a radius of25 miles of the city center. 住在离城中心半径25英里的范围内的家庭
- classical electron radius 经典电子半径
- What is the radius of this circle? 这个圆的半径有多长?
- electron radius 电子半径
- The radius represents the advancement index. 辐枝代表进化指数。
- British trucks have a small camo detection radius. 英军卡车获得小范围的反伪装能力。
- The number of electron pairs an atom can share with other atoms. 共用电子对数，共价一个原子与其他原子共用的电子的对数
- The saddles must have a generous radius. 马鞍必须有足够的半径。
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
- The radius expands markedly at its lower end. 桡骨下端明显扩张。
- The beam bends to a circular profile of radius R. 梁弯曲成半径为R的园形形状。
- A radial part, such as a ray, spoke, or radius. 放射部辐射状的部分，如光线、轮辐或半径
