The optimization analysis of the boring method for the large section underground cavity

  • 大断面洞库掘进方案优化分析
  • 来源:互联网摘选更新时间:2026-07-13 02:28:17

  • 重点词汇
  • forconj.因为,由于;
  • optimizationn.最佳化,最优化;优选法;优化组合;
  • cavityn.洞,腔;〈牙科〉龋洞;
  • largeadj.大的;大量的;广泛的;大型的;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • ofprep. 关于;属于…的;由…制成;
  • boringadj.无聊的,无趣的;令人厌烦的;单调的,乏味的;
  • undergroundadj.地下的;秘密的;非法的;
  • methodn.方法;有条不紊;
  • 相关例句
1、

Optimization Design of Form of Fracture in Underground Cavity

地下洞室断面形状优化设计的研究

互联网摘选

2、

In high-rise and high-density urban areas, street canyons are not only the major wind path of the city but also the basic unit of urban wind research.

高层高密度地区中,街道峡谷是城市通风的主要风道,同时也是高密度地区风环境研究的基本单位。

互联网摘选

3、

Some differences of wind field between the city proper and the suburbs of Shanghai are discussed in this paper.

城郊下垫面结构的不同,造成了城郊风场上的差异,本文探讨了上海城市对近地面风场的影响。

互联网摘选

4、

The Elementary Exploration of Exploiting Wind Energy in DaLi City

大理市风能开发初步探讨

互联网摘选

5、

Correlation Analysis of the Industrial Reasonable Layout and the Wind Direction on Laiwu City

莱芜市工业合理布局与风的相关分析

互联网摘选

6、

Characteristic of the Urban Boundary Layer Under Strong Wind Condition in Beijing City

大风天气下北京城市边界层阵风结构特征

互联网摘选

7、

Study on Some Features of the Wind Field in Shanghai City

上海城市近地面层风场特征的初步研究

互联网摘选

8、

Time-Space Changing Character of Low-Level Wind in Lanzhou City and Its Correlation with Air Pollution

兰州市低空风时空变化特征及其与空气污染的关系

互联网摘选

9、

Analysis of a weather process of storm rainfall and strong wind over Zhoushan City in winter

舟山市一次冬季暴雨、大风天气过程分析

互联网摘选

10、

The interaction and problem between urban layout and feature of wind in Kunming City

昆明城市布局与风象的关系及问题研究

互联网摘选

11、

Research on the Utilization of the Wind Energy among city highrises

城市高层建筑群风能利用的研究

互联网摘选

12、

The plan grasps the key city factors of wind and water and manages to find the cutting point for the harmony between city and nature, and three themes of" water and nature"," water and city", and "water and culture" are formed.

方案以城市关键词凤、水为主,找寻城市与自然和谐的切入点,形成“水与自然”、“水与城市”、“水与文化”3大主题。

provided by jukuu

13、

Hailey was recently sent a letter by the U.S. Patent& Trademark Office asking her to submit her proof, it was claimed.

据称,美国专利商标局最近给海莉发了一封要求她提交证据的信函。

互联网摘选

14、

Pfizer spokesman said Thursday the company is awaiting a letter from the patent office explaining the decision.

辉瑞发言人说周四公司等待着专利局的对这一裁决的解释信。

互联网摘选

15、

The paper analyses the problems of existing flat gate valve used in dense-medium system pipeline and introduces anti-friction qualities and functions after improvement.

分析了重介质系统管路中平板闸阀存在的问题,介绍了改进后的耐磨特点和性能。

互联网摘选

16、

Characterization and Anti-friction Behaviors of FeS Coating

溶胶-凝胶FeS涂层的表征与减摩行为研究

互联网摘选

17、

A alloy of tin with some copper and antimony; an anti-friction lining for bearings.

含锡和一些铜、锑的合金,用作轴承防摩擦衬垫。

互联网摘选

18、

The results show that the sprayed FeS coating possesses the remarkable properties of anti-friction and wear-resistance.

结果表明,固体润滑硫化亚铁喷涂层具有优异的减摩、耐磨性能。

互联网摘选

19、

The anti-friction mechanism of' Cu-Pb alloy solid-film lubricants was also discussed.

作者还讨论了Cu-Pb合金膜的减摩机理及作用。

互联网摘选

20、

On the bed, his bedding was untouched. anti-friction bearing internal cylindrical automatic grinder

床上的铺盖并没有动。减摩轴承内圆自动磨床

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈