查询词典 ladder

Book is the ladder of human progress, the book is a source of human wisdom.

书是人类进步的阶梯，书是人类智慧的源泉。

At the conclusion of this paper, based on previous studies, combined with the physical model of the specific project data, with emphasis on the ladder of aerated spillway energy dissipation issues were discussed, the main results are summarized as follows

本文在总结前人研究的基础上，结合具体工程的物理模型实验数据，重点对阶梯溢洪道的掺气消能问题进行了讨论，主要成果归纳如下

The young stableman said that he asked Dick to go up the ladder to put down some hay,but also told him to put down his pipe first.

小马夫说他要迪克上梯子弄些干草下来，但也要他先放下烟斗。

Who ever heard of a state prisoner escaping by a hickry-bark ladder?

可有谁听说过，一个政治犯竟然从一根胡桃树皮做的绳梯逃跑的？

The second step is to calculate the frame design. Which includes the frame quality, the flexure style, the crooked intensity. When designing the car body, the first is the structural design of car body. Then is the design and calculate the box column, the selection of the car body, the design of cat ladder, the selection of the car door and the design of the car above floor.

根据弯曲强度，扭转应力的要求，进行了车架的设计计算；在侧围设计中，对立柱进行了研究，根据同行比较选定了侧围板，及爬梯的结构，选择了车门和进行了顶蓬的设计。

May I borrow this ladder/stepladder?

我想要借用一下梯子？

Minh saw a stepladder. He got on the ladder and got the box. He handed it to the elderly couple. They thanked him.

Minh看到一个梯子，他就搬了梯子取到食品递给了老对老人，他们很感激他。

Follow this rule of thumb for stick-to-itiveness: two minutes for a two-year-old , three minutes for a three-year-old and so on up the age ladder.

你可以遵照下面关于持久性的快速估算方法：两岁的孩子两分钟，三岁的孩子三分钟，依年龄级类推。

All right, so I refused to risk my life last fall to put up that particular storm window because the borrowed ladder was so unstable.

好吧，那么我是不会冒着摔下来的危险爬上那单独的老虎窗的，因为那架借来的梯子时如此的不稳固。

Finally they had ended back at the tank, Joe straddling the ladder and Katze leaning against it.

最后他们已经在槽向后地结束，跨立对抗它的梯和 Katze 倾斜的乔。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。