查询词典 major axis

What is called that the annulus of the inner cylinder executing a planetary motion is: the inner cylinder which can form the annulus is not only rotating by the axis of itself, but also rotating by the axis of the outer cylinder in the annulus.

所谓内管做行星运动的环空是指：构成环空的内管不仅绕其自身轴线自转，而且还同时绕环空外管的轴线公转。

The two kinds of classics are essentially different: the critical reassessment of classics is carried out on the axis of vertical convergence, and the mass selection of classics relies on the connective operation on the axis of horizontal assemblage.

而两种经典化有本质的不同，批评性经典重估，主要是纵聚合轴上的比较选择操作；群选的经典更新，主要是横组合轴上的粘合连接操作。

Full curving axis coordinate system, one of the bases of quantitative graphs, is a category of curving axis coordinate system.

全曲轴坐标系是曲轴坐标系统中的一类，是量化图形的数学基础之一。

By using a set of simple formula and calculating method with the rotating of coordinate axis, this paper gives the concrete expression of the reflectance and transmissivity of monopodium with discretional optical axis.

研究了光从各向同性介质入射至单轴晶体界面上时反射和折射情况，采用一套较为简单的公式和计算方法，再加上坐标轴的旋转，从而给出了在晶体光轴取向任意的一般情况下，光在晶体界面上的透射、反射系数的具体表达式。

By doing research on the composition, the basic coordinate grid and combination graphs of full curving axis coordinate system, this paper reveals the ability to express various statistical data with full curving axis coordinate system quantitative graphs.

该文通过对全曲轴坐标系的构成、基础坐标网和组合图形的研究，展现了全曲轴坐标系量化图形用于表现各类统计数据的能力。

Methods(1)4 cities were chosen randomly according to their economic status and geographical location.(2)An autorefractor was used to detect the diopter in the preschool children from 20 kindergartens randomly selected from each of the 4 cities.(3)1%atropine ointment was applied to the c onjunctival sac of the children with suspect myopia for 3 days and the refractio n of light in their retina was then examined by a barred beam skiascope.(4)The eye axis and corneal curvature of the myopic children were measured.(5)The diop ter,eye axis,and corneal curvature were examined every 6 months during 1-year f ollow-up after the diopter was properly rectified.

(1)依经济状况和地理位置按随机原则抽取4市县；(2)从4市县中各随机选择20间幼儿园，对所抽取的在园学龄前儿童用自动屈光仪进行屈光筛查；(3)可疑近视患者予以1%阿托品眼膏涂双眼3d，由专人用带状检影镜进行视网膜检影验光；(4)确诊为近视的患者自愿进行角膜曲率和眼轴测量；(5)近视患者经适当的屈光矫正后，按要求进行为期1年的前瞻性随访，每半年进行1次屈光状态、角膜曲率和眼轴的检测。

A superposition cut is used to describe a cross section of a part by revolving it around an axis of revolution and placing it on the views on the axis.

在不影响图形清晰的条件下，断面也可按投影关系画在视图内，画在视图内的断面图称为重合断面图。

The worm hole is a magical point, that is defined by the intersection of the axis of rotation of the u-joint shaft with the axis of steer.

该蠕虫洞是一个神奇的一点，就是确定的十字路口的旋转轴U型联合轴与轴的指导。

The important thing to know that it has an axis of symmetry — the optical axis.

重点是知道主镜有一个对称轴——光轴。

Application of both finite element and combined strip element to axis symmetry problems;2. Basic definition of axis symmetry has been given with three specific examples.

通过三个例子讲述了折叠矩形后满足轴对称的基本定理，并分别从折叠一次、两次介绍了折叠型的解题方

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。