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- orthonormal ladder structure 规范正交梯形结构
- Thermotropic and lyotropic liquid crystallinity of main-chain polysilane and polysiloxane(including linear,ring and ladder structure )were reviewed with 19 references. 综述了主链液晶聚硅烷和主链液晶聚硅氧烷（包括线型、环形和梯形结构）的热致和溶致液晶行为。
- Wang Chunhua,Shen Guangdi,Xu Chen,et al.Designing high-order current mode filter with ladder structure using CCII gyrator[J].Journal of Electronics and Information Technology,2001,23(5):516-520. [3]王春华;沈光地;徐晨.;用CCII回转器设计梯形结构电流模式滤波器[J]
- The rigid p-terphenyl in monomer structures is very important for supramolecular assembly and characterization of LS and LP.The ladder structures of LS and LP were observed easily. 3. 需要特别指出的是，本文单体分子中间对位三联苯（p-TP）结构的成功合成，有效加了LPC的梯撑刚性和长度，从而首次用AFM清楚地表征了LPC及其前体超分子结构（LS）。
- 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。
- 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。
- The two halves of the structure didn't marry up. 该结构的两部分未配合好。
- He climbed up the ladder, but soon got down. 他爬上了梯子，但不久就下来了。
- High winds put great stress on the structure. 大风作用于该建筑物上而产生巨大的应力。
- Diligence is often a ladder to success. 勤勉常常是通往成功的阶梯。
- The structure had keeled over in the high winds. 那座建筑物让大风给刮倒了。
- May we have the loan of your ladder? 我们可以借用一下你的梯子吗?
- He propped the ladder against the wall. 他支起了梯子，把它靠在墙上。
