查询词典 circle geometry

Odd a shape compound leaf, flocculus 7-11(13), egg form or circle of regulations of state pouring egg, small change is simple, whole reason, opposite, grow 3.5-8.0cm, wide 2-5cm, tip acute is pointed, base ministry wide wedge or circle, without wool, below young leaf be grown closely fluff.

奇数羽状复叶，小叶7-11(13)，卵形或倒卵状矩圆形，薄革质，全缘，对生，长3.5-8.0cm，宽2-5cm，先端锐尖，基部宽楔形或圆形，无毛，幼叶下面密被长柔毛。

Chinese honey locust Deciduous leaf arbor, be as high as 15-30m, truncal skin grey black, shallow slit, dry reach branch to often provide thorn, thorn is conic shape is much more ramose, thick and hard straight, rod celadon, leather aperture is remarkable, wintry bud often is folded unripe, bout is even a shape compound leaf, each other gives birth to flocculus 3-7 to be opposite, flocculus grows egg form, tip blunt circle, base ministry circle, a bit deflective, small change is simple, the predestined relationship has serration, rear midrib two side and Xie Bing by white short fluff, miscellaneous sex is beautiful, axil is unripe, racemose, peduncular close by nap, calyx bell shape by nap, beautiful Huang Bai is lubricious, calyx valve all 4 number.

皂荚落叶乔木，高达15-30m，树干皮灰黑色，浅纵裂，干及枝条常具刺，刺圆锥状多分枝，粗而硬直，小枝灰绿色，皮孔显著，冬芽常叠生，一回偶数羽状复叶，有互生小叶3-7对，小叶长卵形，先端钝圆，基部圆形，稍偏斜，薄革质，缘有细齿，背面中脉两侧及叶柄被白色短柔毛，杂性花，腋生，总状花序，花梗密被绒毛，花萼钟状被绒毛，花黄白色，萼瓣均4数。

A circle whose circumference rolls along the circumference of a fixed circle, thereby generating an ''.

周转圆一个围绕着另一个固定圆周长滚动的圆，从而产生圆外旋轮线或圆内旋轮线，即外摆线或内摆线

The first part is preface, on the basis of expounding the background, the purpose, the meaning and the thinking of the thesis study, briefly introduce the research achievements of domestic and international urban spatial structure; the second part is summary, expatiate on the connotation, component, research span and space type of urban spatial structure; The third part is theory foundation, mainly introduce the three classical models of city spatial structure in the west country (concentric circles mode, fan-shaped mode and multi-core mode) and the relative city development theories (growth pole theory, dot-axis theory, core-fringe theory, metropolis circle theory and city space evolution theory); The fourth part is general situations of study region; The fifth part is the analysis of Lanzhou city spatial structure evolution, along the historical venation Of city development, on the basis of analyzing industrial structure change, focus on and sumup the characteristics of spatial development and form, meanwhile, analyze factors which influences the spatial development; The sixth part is the analysis of Lanzhou city spatial development trend, put forward the development models of Lanzhou city spatial structure from three space aspects(the core city, the city, region) in the future, they are group gobbet structure, fingers structure, circle structure; The seventh part is to mainly put forward the development strategies for the different spatial structure models.

第一部分为前言，在阐明论文研究背景、目的及意义、思路的基础上，简要介绍了国内外城市空间结构相关研究成果；第二部分为概述，对城市空间结构的内涵、组成要素、研究尺度及其空间类型作以介绍；第三部分为理论基础，主要是对西方城市空间结构的3大经典模型(同心圆模式、扇形模式和多核心模式)以及与本研究相关的城市空间发展理论(增长极理论、点轴理论、核心——边缘理论、都市圈理论和城市空间演化理论)的介绍；第四部分为研究区概况，主要是对研究区域范围的界定及其社会经济发展概况介绍；第五部分是兰州城市空间结构演化分析，顺着兰州城市发展的历史脉络，在分析产业结构变动的基础上，着重对城市空间发展及其形态特征进行归纳总结，并分析了空间发展的主要影响因素；第六部分是兰州城市空间发展趋势分析，从中心城市、市域、区域3个空间层面上提出未来兰州城市空间结构的不同模式，即组团结构、指状结构、圈层结构；第七部分是城市空间发展策略，针对不同的城市空间发展模式提出一些对策建议。

There were said to be too many circles to be the work of a few "hoaxers"(but this assumed that each circle took many hours to make), or that circles appeared in well-watched crops, or that circle creation was accompanied by unearthly noises (when these sounds were played back, even I recognized the nocturnal song of the grasshopper warbler).

他们说，世上庄稼圈太多了，不可能全是一小撮「恶作剧的人」干的（但是这个说法得假定每个圈都要花很多时间才做得出来）。或者，那些圈子会出现在戒备森严的田里。或者，圈圈形成的时候，有人听见了前所未闻的噪音（从那些噪音的录音带上，连我都听得出那是黑斑蝗莺在唱歌）。

You'd be walking in a great circle, a circle of addiction

你只能绕上一个大圈，让人深陷的循环

Has a large circle of friends. They often draw a circle on the ground to play the game.

汤姆有一大群朋友，他们经常在地上画一个圆圈玩游戏。

Tom has a large circle of friends. They often drew a circle on the ground and play the game.

汤姆有一大群朋友，他们经常在地上画一个圆圈玩游戏。

Tom has a large circle of friends. They often draw a circle on the ground to play the game.

汤姆有一大群朋友，他们经常在地上画一个圆圈玩游戏。

Tom has a large circle of fr ie nds. They often draw a circle on the ground to play the game.

汤姆有一大群朋友，他们经常在地上画一个圆圈玩游戏。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。