查询词典 spring

The basic character of a mass spring oscillate in small amplitude and small angle is studded with an analytic method founded on nonlinear dynamics.

以非线性动力学理论为基础，用解析方法分析包括有质弹簧在内的弹性摆小振幅、小摆角的基本运动规律。

YM-tensioned anchor client 1, YM strand tensioned anchor client system includes: YM15 anchor (for §15.2,§15.7mm strand) YM13 anchor (for §12.7,§12.9mm Steel Stranded) BM15, BM13-type flat anchor YMZ15, YMZ13-ring anchors (applied to the structure of cyclic stress) 2, YML Series connectors include: single as used prestressing tendon lengthening, usually with in pre-tensioned law; porous as the next long prestressed beam, normally used in the continuous beam. 3, P-type anchorage system for P-type anchorage system includes extrusion anchor (from compression set and a triangle composed of copper wire extrusion spring), anchor anchor plate, spiral reinforcement, constraint circle bellows.

YM张拉端锚具1、YM钢绞线张拉端锚固体系包括：YM15锚具（适用于ф15.2、ф15.7mm钢绞线）YM13锚具（适用于ф12.7、ф12.9mm钢绞线）BM15、BM13型扁锚YMZ15 、YMZ13 型环锚2、YML型系列连接器包括：单孔作为接长预应力筋用，通常用于先张法中；多孔作为接长预应力束，通常用于连续梁中。3、P型锚固体系P型锚固体系包括挤压锚具（由挤压套和三角形铜丝挤压簧组成）、锚固锚板、螺旋筋、约束圈、波纹管。

In spring 1994, first gemmy sample of grossular andradite garnet piece was brought to Idar Oberstein , Germany , which caused the sensation to the gem world.

1994年在非洲马里葡萄石的产地，发现了极其稀有美丽的钙铝榴石、钙铁榴石和红榴石，一度成为宝石爱好者的宝地。

Angora goats generally get their haircut 2 times a year in the Spring and Fall.

安哥拉山羊一般是在春季和秋季每年2次剪去它们的毛发。

The spring constant, the mass, the constant of attenuation and the angular frequency of the exciting oscillation can be changed within certain limits.

弹簧振动的劲度系数、质量、衰减量和角频率可以在一定限度内被改变。

Third, because It is long for Yanzi Annal to be set after it was widely circulated,processed and edited ,all kinds of thought can be found in stories,including those from the state of Qi and various schools of thought ,which reflect freedom on thought in the Spring and Autumn Period.

在《晏子春秋》之前，中国文学虽不乏幽默，但直到《晏子春秋》，幽默才成为了全书的主要艺术风格。

The content of anthocyanin is higher in spring and autumn.

春秋两季花青苷的含量较高，而叶绿素含量则是在夏季最高。

Thus the light saturation of Anthurium andreanum could be at considered 500 mol.L-1.m-2, s-1 , and therefore 30% overshadow net at noon of Spring and 60% at Summer in the north of china should be suitable.

认为安祖花的光饱和点在500μmol.m~(-2)。s~(-1)。以此为依据确定在我国北方春天中午可采用30％的遮荫网，夏天应采用60％的遮荫网。

Spring break is a good time for anti-abortion advocates and supporters of accurate safer-sex education alike to call for sexual responsibility and restraint.

春假是一个好时机，反堕胎的倡导者和支持者，准确安全-性教育，都呼吁性的责任和克制。

A strong wave of anti-intellectual started to spring up, as a result, intellectual's status in society was marginalized promptly.

一股强大的反智风潮也开始兴起，知识分子在社会中地位迅速边缘化。

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。