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- A class of exact solutions of the Dirac equation are obtained for an electron in the electromagnetic field of a wave guide formed by two pairs of hyperbolic cylinders. 摘要研究了位于由两对双曲柱面构成的波导管电磁场里的单电子的性质，得到了单电子在场中狄拉克方程的新一类精确解；计算了极化算符的本征函数。
- The accident didn't do much damage to the cylinder. 在意外事故中，汽缸没有受到重大损坏。
- The string is wound round a cardboard cylinder. 线缠绕在纸筒上。
- hyperbolic cylinder 双曲柱面
- The engine is misfiring badly on one cylinder. 发动机有一个汽缸严重失灵。
- The cylinder is a crucial part of the washing machine. 滚筒是洗衣机必不可少的部分。
- The cylinder is getting too much gas and not enough air. 汽缸里汽油太多而空气不足。
- Calculates the inverse hyperbolic tangent of two. 结构的反双曲正切值。
- A graduated container, such as a cylinder or beaker. 量筒，量杯标以刻度的容器，如圆筒或烧杯
- Returns the hyperbolic sine of the specified angle. 返回指定角度的双曲正弦值。
- Hyperbolic workers aren't too different. 喜欢"夸张“的员工没有多少不同。
- The piston froze in the cylinder. 活塞冻牢在汽缸里。
- Karl Gauss pioneered hyperbolic geometry. 卡尔·高斯开辟了双曲线几何学。
- The piston is reciprocating inside cylinder. 活塞在汽缸内部往复运动。
- Use a cylinder cage or cradle to lift a cylinder. 使用钢瓶升降机升起钢瓶。
- Replace the cylinder outlet seal and valve cap. 替换钢瓶排气口密封和阀门帽。
- Master cylinder bushing at the clutch pedal. 离合器踏板处的总泵衬套。
- Cylinder and flats or doffer set too wide. 锡林与盖板或锡林与道夫的隔距太宽。
- Doffer not set parallel to cylinder. 道夫与锡林不平行。
- It consists of a pair of concentric cylinder. 它由一对同轴的圆筒组成。
