四角锥,pyramid
1)pyramid[英]['p?r?m?d][美]['p?r?m?d]四角锥
1.The structure characteristic analysis for pyramid system triple-layer space trusses;四角锥体系三层网架的结构特性分析
2.The dynamic analysis for pyramid system triple-layer space trusses;四角锥体系三层网架的动力分析
英文短句/例句

1.Construction and Design of Alumium Alloy Four Angles Awl Shape Hidden Frame Glass Roof for Collecting Light铝合金四角锥形隐框玻璃采光顶的构造与设计
2.The Research on Cooling Tower of Latticed of Double-Layer Hyperbolic Pyramid;双层双曲线四角锥网壳结构冷却塔的研究
3.Analyzing the Characteristics of Natural Vibration of Square Pyramid Space Grids under Different Support Forms;不同支承形式正放四角锥网架自振特性分析
4.Analysis of Orthogonal Pyramid Space Grid and Bottom Peripher Supporting System;正放四角锥网架与下部支承体系整体结构空间分析研究
5.Numerical Analysis, Experimental Study and Software Development of Pre-stressed Diagonal on Square Composite Space Truss;斜放四角锥预应力组合网架结构的数值分析、试验研究及软件开发
6.Free Vibration and Vertical Seismic Action Study of Pyramid Space Grid Roof Structures;正放四角锥网架屋盖的固有振动与竖向地震作用研究
7.The Application of “Four Centers” of a Triangle in Triangular Cone;三角形的“四心”在三棱锥中的应用
8.Series of conical tapers and taper anglesGB/T157-1989锥度与锥角系列
9.increment angle(圆锥齿轮)齿端角
10.A structure or part suggestive of a pyramid in shape.角锥性器官形状象角锥的结构和部分
11.equal spiral angle taper cylindrical milling cutter等螺旋角锥度柱铣刀
12.front cover pyramid coat角锥形前身覆盖大衣
13.rayon gabardine pyramid coat角锥形人丝轧别丁大衣
14.wing collar pyramid short coat翼状领角锥形短大衣
15.Pyramidal horn and sectorial horn角锥喇叭和扇形喇叭
16.lambert orthomorphic conical projection兰勃特等角圆锥投影
17.circle mouton collar pyramid coat角锥形羊皮大圆领大衣
18."The church spire originated in the 12th century as a simple, four-sided pyramidal roof capping a tower."教堂塔尖顶起源于12世纪,原是一个加盖于塔顶的简单四边角锥形屋顶。
相关短句/例句

linked quadrilateral pyramid连体四角锥
3)quadrangular pyramid grid structure四角锥网架
1.The dynamical analysis of quadrangular pyramid grid structure modality and seismic response is made by ANSYS.利用ANSYS作出了某四角锥网架的模态及地震响应的动力分析。
4)square pyramid space grids with openings抽空四角锥
1.A new type of space structure was developed by combining the single layer reticulated dome with the double layer square pyramid space grids with openings.结合一工程实例 ,将单层球面网壳结构与双层抽空四角锥球面网壳结构结合起来 ,设计了一种新型的空间结构型式 ,即单双层抽空四角锥球面网壳结构 。
5)prefabricated pyramidal unit预制四角锥
1.A new type of light weight space truss consisting of prefabricated pyramidal units is presented.对所提出的一种新型预制四角锥轻型网架结构体系 ,从理论分析、足尺模型试验及工程应用等方面进行了系统、详细的分析研究。
6)quadrangular-pyramid roof truss四角锥屋架
延伸阅读

1,3,5,7-四甲基四乙烯基环四硅氧烷分子式:[CH3(CH2=CH)SiO]4 CAS号:性质:沸点224~224.5℃(101.06kPa)。熔点-43.5℃±0.1℃。相对密度0.9875。折射率1.4342。与八甲基环四硅氧烷性能相似,在微量硅醇钠、硅醇钾或少量浓硫酸作用下,Si-O-Si键断裂重排,生成直链的聚硅氧烷和环状硅氧烷的混合物。 Si-CH=CH2键在有机过氧化物存在下,可进行游离基聚合反应。在铂催化剂存在下,可与Si—H键发生加成反应。可由甲基乙烯基二氯硅烷的水解料催化裂解来制取。用来合成有机硅中间体及高分子化合物提供活性交联点之用,是制备硅橡胶不可缺少的原料之一。