查询词典 spoon lever

Classical optical lever was improved with a carved vernier spider line in an eyepiece of the telescope to increase the precision of an optical lever and reduce the error.

为了提高光杠杆的精度，减小实验误差，对原光杠杆进行了改进，在望远镜的目镜中刻划了游标叉丝。

The standard unit formed by the shock absorber and the lever mechanism is formed by a rocker (31) in the form of a sheet metal bent part, which has a L-shaped pivot lever portion (40), with which is constructed in one piece a stop-limited opening clip spring (41) pretensioned in the opening direction.

由减振器和杠杆机构形成的标准单元由摇杆（31）构成，其具有一L形旋转杆部分（40），一止挡限制夹簧（41）与该杆部分构成一体，其在打开方向上施加预应力。

Extend a finger to press the lever down to shift into higher gears, and uncurl a finger or two from the bar to bat the lever upwards to shift into smaller gears.

伸出手指，向下压刹把，于是变速气向上加档，用一个或两个手指向上撬刹把，变速器则向下变，把链条挪到较小的飞片上。

The purpose of the experiment is to realize the prokaryotic expression of β-glucosidase gene from Acetobacter xylinum ATCC 23769, which will be used to produce enzyme preparation so as to develop the efficiency of extracting resveratrol from plants. Aspergillus niger β-glucosidase gene is cloned both at DNA lever and cDNA lever, which will lay a foundation for further research about its expression in Saccharomyces cerevisiae in a secretory form with the aim of increasing resveratrol contents in wines.

本实验实现了木醋杆菌β-葡萄糖苷酶基因的原核表达，目的是为了生产粗酶制剂，用于提高从植物中提取白藜芦醇的得率；分别在DNA和cDNA水平从黑曲霉中克隆β-葡萄糖苷酶基因，为下一步在酿酒酵母中实现分泌表达以提高葡萄酒的白藜芦醇含量的研究奠定基础。

A new electrostriction material strain measure method using optical lever has been proposed.Short arm senses micro strain at contact point,with the help of optical lever micro strain has been magnified to form a facula.The CCD camera samples the positions of facula and the micro displacement of contact point can be obtained.

提出利用光学杠杆测量电致伸缩材料性能的新方法，通过触点短臂传感微形变，并通过光学杠杆将微形变放大后形成光斑，利用CCD摄像头采集放大前后的光斑，通过对光斑图像进一步的处理可以得到微位移量，从而实现电致伸缩材料应变测量。

This article introduces types and characteristics of vehicle's transmission,and analysed its current development,with detailed discussion on the research methods of epicyclical gear transmission at home and abroad,including the design methods of its transmission diagram which has two or three degree-of-freedom,the process of shifting gears which has multiple degree-of-freedom,the denotation method of joint element on the chart of equivalent lever,and the equivalent lever method in which the dynamic and kine...

介绍了车辆变速器的种类、特点与发展概况，对变速器中的机械传动部分，特别是行星齿轮传动的研究状况介绍的较为详细。对国内外关于2自由度、3自由度行星式变速器传动简图的设计方法，多自由度变速器的换档过程，利用等效杠杆法研究行星齿轮传动，等效杠杆图中接合元件的表示方法，利用等效杠杆的运动分析、力分析和运动分析方程，建立行星变速器相应分析的方程的基本情况作了介绍，并分析了各种研究方法的适应范围与优缺点。

Entrepreneurs have only the murkiest picture of the future in which they are making their bets, and also there is ambiguity, they don't know when they push this lever or that lever that the outcome is going to be what they think it is going to be - there is the law of unanticipated consequences.

同时还存在模棱两可的情况，他们不知道当他们撬动这根或那根杠杆时，会出现他们想象中的结果——这就是结果不可预知的法则。

It can adopt double level spray or column reactor to coupling the first and second reactors into a same container and separate double lever reactor with clapboard, this predigests the connecting structure of double lever reactor and reduce the height of cleaning equipment and heat lost.

这两种反应器是将一级、二级反应器耦合在同一个容器内，以隔板将两级反应器隔开，简化了两级反应器的连接构造，降低了烟气净化设备的高度，降低了烟气净化设备的散热损失。

Double lever ball and the occurrence of many lever ball are the product that ball catch motion develops, the history that exists in its has positive effect inside level, this is undeniable fact.

双杆球和多杆球的出现是门球运动发展的产物，并在其存在的历史阶段内起积极功能，这是不可否认的事实。

And there are many sorts in the does not impose restriction double lever ball that exists on ball catch field up to now or much lever ball is extremely inequitable, those who have negativity and limitation, hold the post of its to develop

而至今门球场上存在的不加限制的双杆球或多杆球中有不少种类是极其不公平、有消极性和局限性的，任其发展

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。