相似 1.(相像) resemble; be similar; be alike 和 ... 略微相似 be slightly similar to ...; 和 ... 有点相似 be somewhat alike to ...; 相似的情况 similar cases; 面貌相似 look alike; 何其相似乃尔? what a striking similarity! 他们的性格很相似。 they are much alike in character.2.(相像处; 类似物) similarity; similitude; analogue 他看各种文化之间的相似点比看其相异点更为透彻。 he has a better eye for similarities among cultures than for diversities.; 相似形 [数学] similar figures
几何 1.[书面语] (多少) how much; how many 不知尚有几何 uncertain how much is left or how many are left2.(几何学) geometry; 几何比 geometric proportion; 几何分布 geometric distribution; 几何光学 geometrical optics; 几何关系 geometrical relationship; 几何级数 [数学] geometric [geometrical] progression; geometric series; 几何图形 [数学] geometric figure
The model and the prototype are geometrically similar . 模型与原型为几何相似。
6 . the similitude law was deduced by analysis of the differential equation of slabs on elastic foundation 6 、由相似分析得到了几何相似的弹性地基板的频率相似关系。
4 . a fitted equation was given to ultimate load of geometrically similar slabs with size effects taken into account 4 、考虑材料尺寸效应,拟合出几何相似的板对于极限荷载的相似规律。
The ray - intersection method is used to determine the nesting level of contours in the same layer , and the contours match relationship between two adjacent layers is established according to contours geometry comparability and relative position fixity 使用射线法确定同层轮廓间的关系,并在此基础上,提出根据相邻层轮廓间的几何相似性和相对位置不变性等特征,确定相邻层轮廓之间匹配关系。
( 2 ) the static experiment about six geometry comparable elastic foundation beams is carried through , and the static trait of non - reinforcing steel bar concrete foundation beam is gained . in the qualitative point of view , the static comparability between geometry comparable elastic foundation beams is validated ( 2 )对6根几何相似的弹性地基梁进行了静力试验,获取了无配筋混凝土地基梁的静力特性,并从定性的角度验证了几何相似的弹性地基梁静力特性相似。
The work presented in this thesis is part of the research project - similitude laws and nondestructive diagnosis on concrete pavements , which is supported by china national science foundation . 9 slabs were tested to failure with factors of slab thickness , size ratio of geometrically similar slabs and loading place taken into account 本课题在国家自然科学基金项目“混凝土路面板相似理论与损伤诊断研究” (批准号59978015 )资助下,进行了不同厚度、不同几何相似比的9块刚性路面板的试验研究。
The test results indicated that : crack similitude of reinforced concrete simple beams is not equal to model scale under the working load ; when the amount and surface shape of reinforcing bar are same , the similitude of crack width , crack amount and crack spacing of reinforced concrete simple beams of different scales are all nearly equal to the square root of model scale ; when the amount and surface shape of reinforcing bar are different , the similitude of crack amount and crack spacing are still nearly equal to , whereas the crack width is not only approximately proportional to , but the influence of the amount and surface shape of reinforcing bar on crack width should be considered also at the same time 试验结果表明:在使用荷载下,钢筋混凝土简支梁的裂缝相似率并不等于几何相似比;当钢筋根数及形式相同时,不同模型比尺下的钢筋混凝土简支梁的裂缝宽度、裂缝条数及裂缝间距的相似率,均约等于模型几何相似比的平方根;当钢筋根数及形式不同时,裂缝条数及裂缝间距的相似率仍然约等于,而裂缝宽度的相似率近似与成正比,但应同时考虑钢筋根数与钢筋表面形状对裂缝宽度相似率的影响。
Moreover , the current development status of sedimentation simulation research in china was demonstrated and five big trends for the future development of sedimentation simulation technologies were analyzed . the geometric similitude , kinematic similitude and kinetic similitude between the lab model and the prototype for sedimentation simulation form the basis of three similitude principles , while three similitude rules , i . e . , the suspension similitude rule , the particle movement similitude rule and the riverway distortion similitude rule can be deduced from the three similitude principles , and thee principles and rules are the basic theories for the development of physical simulation about the clastic sedimentation processes 沉积模拟实验模型及原型的几何相似、运动相似、动力相似及其由上述三个相似性原理导出的悬浮相似、颗粒运动相似及河道变形相似等三个相似准则是开展碎屑沉积过程物理模拟的基本原理;在此基础上,论述了碎屑沉积模拟研究的主要方法?自然模型法和比尺模型法;提出了开展碎屑沉积过程物理模拟的主要方法步骤,这是本论文第二章的主要内容。
Using the means of similar analysis , this paper derives such similar standard and ratio as geometric similar , time similar , dynamic similar , movement similar , and material similar with geological structure physical model , discusses the experimental model , means , materials and the boundary condition of geological structure physical modeling experiment , points out that they might simulate various complex geological structure patterns with different materials under the definitive boundary condition 摘要把地质构造物理模拟实验模型抽象为动力相似问题进行讨论,用相似理论分析导出了地质构造物理模型的相似准则并给出了相似比,认为几何相似、动力相似、材料相似和边界相似是反映地质构造现象的主要相似条件,时间相似、运动相似和其他相似条件是反映地质构造现象的次要相似条件。