查询词典 preliminary design

In the preliminary design, three scheme are drawn out for selection, they are:①pressure shaft with underground power house;②penstoek with ground power house;③pressure shaft with ground power house; and the first one is rec...

在初设审查中，经反复论证比较，选定了"压力井道—地面厂房"方案作为本工程的采用方案。实践证明，初设审查所选定的方案是正确的，达到了预期的目的。

Flying quality requirement is the basic criterion for tailplane sizing in aeroplane preliminary design.

横航向飞行品质要求是飞机设计时，选择垂尾和机翼上反角的主要依据。

This time designs the topic is 4*125MW power plant electricity preliminary design, this power plant is a topicality important thermal power plant, this factory plan installs four 125MW condensation type thermoelectricity generation unit, the aggregate capacity 500MW close middle-scale power plant scale, this institute is located middle the city.

摘要本次所设计的课题是4*125MW发电厂电气部分设计，该发电厂是一个地区性重要的火力发电厂，计划安装四台125MW凝汽式火力发电机组，总容量500MW接近中型发电厂的规模。

Based on the results from the Feasibility Study and Preliminary Design of Zhaojiabang Rd Drainage System, comparisons have been made of multiple construction methods for the main drainage pipe, such as the shield tunneling, pipejacking and trenched piping.

提 要：本文根据肇嘉浜路排水系统的工程可行性研究以及工程初步设计成果，特别地对排水总管的施工方法进行了盾构法、顶管及大开挖等多方案研究和比选。

He was promoted to Chief of Preliminary Design and there designed the XH-26 One-Man-Jet Helicopter for the USAF.

他被晋升为总的初步设计，有设计的XH - 26喷气直升机的美国空军一人。

Experimental results show that the zero effort miss vector calculated by using approximate formulas is close to the real miss vector. Under the conditions of small initial errors, the satisfied results can be obtained by approximate function. The zero effort miss vector obtained can be used for the preliminary design and analysis of kinetic interceptor guidance.

测试结果表明该近似算法得到的零控脱靶量与真实值比较接近，在较小初始偏差条件下，简化的近似计算公式能给出满意的结果，所得零控脱靶量可用于空间动能拦截制导系统的初步设计与分析。

The successful determination of the typical designing standardizes the distribution project management,improves the level of distribution project construction and effectively abbreviates the time-consumption both in feasibility study and preliminary design.

目前系统内各地市设计院各自为政没有统一的设计标准，设计水平参差不齐，设计效率低下，影响城市配网工程建设速度。

The result shows that the extended methods provide more flight dynamic information and are useful in preliminary design of the thrust vectoring aircraft.

结果表明，扩展连续方法可获得大量的飞行动力学信息，在推力矢量控制飞机的初步设计中具有广泛的应用前景。

This paper analyses and studies according to the original weight control system with nuclear scanner of PASSIM12K cigarette machine , suggests on this foundation that the system of be original alters for the smoke of infrared type pays in average weight control system, And as new system has carried out preliminary design, analysis and research, make great effort to control system for weight in the cigarette industrial enterprise of our country especially HongTa Tobacco Group have certain reference value.

本文针对PASSIM12K卷烟机原来的带有核扫描器的重量控制系统进行分析和研究，在此基础上，提出将原来的系统改为红外式的烟支平均重量控制系统，并对新系统进行了初步的设计、分析和研究，力求对重量控制系统在我国卷烟工业企业尤其是红塔集团中的应用具有一定的参考价值。

On the basin of comparative results of the exploration and study on the four lines conducted during the preliminary design phase of the Three Gorges project, 20 exploratory sections with 5 drill holes each and more than 600 m long exploratory adits were arranged as supplementary exploration.

初步设计阶段共进行了4条线路比较的勘察与研究工作，并在此基础上布置了20条勘探横剖面，每条剖面5个钻孔，布置了长600多m的勘探平洞，作为初设补充勘探。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。