查询词典 step-cone

Mainly divided into three parts: 1 delayed sound Pedal : Are British horse (John Broadwood block 1783), usually under the piano is invented the right medial step by step, when delay sound pressure nowadays, usually in the string is Damper immediately lift.

主要分为三个部分： 1 延音踏板：是英国人布劳马于1783年发明，通常是钢琴下最右内侧的踏板，当延音踏板被压时下，平时压在弦上的制音器立即扬起。

Payment to the Group General Manager of Shanghai Zhaohanzhong revealed in an interview with a group of East China more development strategy : the first step in Shanghai to buy a brand that 140 hectares; The second step, with Shanghai as center of a circle, 2 hour radius of the medium and small cities as economic circles expansion, 2005, the Shanghai company's performance will be the biggest profit growth as a whole group.

金地集团上海公司总经理赵汉忠在接受记者采访时更透露了集团的华东发展策略：第一步，在上海做好这140公顷的大盘打品牌；第二步，在以上海为圆心、2小时车程为半径的中小城市经济圈内扩张，2005年以后，上海公司的业绩将成为整个集团最大的利润增长点。

But the one step method that taking propene and hydrogen bromide as material synthesized 1-bromopropane was low cost, obtaining high-purity product ,and it's production process has no pollution to environment. One step method be deemed to the optimum method.

而以丙烯和HBr气体一步直接合成1-溴丙烷的方法成本较低，所得产物纯度较高，且其生产过程对环境是绿色的，可以说是生产1-溴丙烷的最佳方法。

Also, in this method, anhydrous hydrogen fluoride, from which moisture was removed by treating with F.sub.2 gas, is used in the steps and, and the step further comprises contacting the reaction system of the step with F.sub.2 gas.

同时，在此方法中的步骤和步骤还使用了经过氟气（F.sub.2 gas）除湿的无水氟化氢，而且步骤中还包括了其反应系统与氟气的接触。

An alternative way of the synthesis of methanol from syngas is low-temperature methanol synthesis via methyl formate in liquid phase, namely, carbonylation of methanol in the first step, and hydrogenolysis of methyl formate in the second step.

低温液相甲醇合成是指在（80-160℃）范围内，甲醇首先与合成气中的CO发生羰基化反应生成甲酸甲酯，甲酸甲酯再氢解生成甲醇的两个反应在一个反应器内串联进行的方法。

Preparation of ZnO micro-nano composite hydrophobia film via three-step method ;2. In this paper basic steps of structural dynamic damage detection are discussed and a three-step method for structure damage diagnosisis proposed.

以位于广东新会的崖门桥(双塔刚构体系预应力单索面混凝土斜拉桥)为工程背景，探讨了结构动力损伤识别的基本步骤以及利用结构动力损伤识别三步法对大型工程结构进行损伤识别的有效性。

This article uses the step-by-step Fourier method and normalized NLSE was solved, and analog input for the first-order,second-order and third-order hyperbolic secant optical pulses under the conditions of the evolution of optical pulse transmission.

本文使用了分步傅里叶方法对归一化NLSE 进行了求解，并模拟了输入为一到三阶双曲正割光脉冲条件下光脉冲传输演变情况。

In every step plastic hysteresis energy was calculated, and the result showed it increased by the step.

对各级塑性滞回能进行了计算，发现塑性滞回能随着级别的增高而增高，并对其进行了拟合。

Choice behavior demand characters were studied by in-depth survey step by step. Gradually impellent park and ride choice behavior SP questionnaire survey procedure and analysis method were put forward.

通过逐步递进的方式层层深入的解析停车换乘的选择行为需求，提出了递进式停车换乘选择行为 SP 调查流程和分析方法，研究了停车换乘选择行为特征。

Face recognition system, you need to step by step in accordance with the menu can be achieved recognition!

人脸识别系统，你需要按照菜单一步一步才能实现识别！

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。