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- Two theorems on the construction of ladder operatorsare presented in order to provide a standard method for construction of ladder operators. 给出有关构造阶梯算符的定理,提供了构造阶梯算符的一种规范方法。
- By using some formulae of confluent hyper-geometric function, the results of radial operators on the normalizing radial wave function of a 3-D isotropic harmonic oscillator are derived, and the ladder operators are given to calculate the matrix elements. 摘要利用合流超几何函数的递推关系式得到径向算符对归一化径向函数的作用结果，得出其升降算符通项，便于求解矩阵元。
- Please go down the ladder and chuck up my hat. 请下梯子把我的帽子扔上来。
- She was badly hurt when she fell from the ladder. 她从梯子上跌下来，伤得很厉害。
- Please hand the basket up to Father on the ladder. 请把篮子递给梯子上的父亲。
- This ladder is riddled with woodworm. 这个梯子已经让蛀虫蛀了很多洞。
- Be careful not to fall off the ladder. 当心别从梯子上掉下来。
- He is too timid to get up to the top of the ladder. 他太胆小爬不上梯子的顶端。
- Radial Ladder Operators of the Morse Oscillator Morse振子的径向阶梯算符
- Have you any tights that won't ladder? 有没有不易抽丝的裤袜?
- It's considered unlucky to walk under a ladder. 从梯子下面走过被认为是不吉利的。
- Hard work is often a ladder to success. 发奋工作常是通向成功的阶梯。
- He climbed up the ladder, but soon got down. 他爬上了梯子，但不久就下来了。
- Loosely, a mathematical or logic operator. 不严格地说，一种数学或逻辑运算符。
- turntable ladder operation position 云梯操作台
- That store operator ripped me off. 那个商店的营业员把我骗了。
- Diligence is often a ladder to success. 勤勉常常是通往成功的阶梯。
- May we have the loan of your ladder? 我们可以借用一下你的梯子吗?
- The operator told the caller that the line is busy. 接线生告诉打电话的人对方电话占线。
- He propped the ladder against the wall. 他支起了梯子，把它靠在墙上。
