下梁

In view of trust region algorithm has good global convergence for solving non-linear quadratic programming problem,the effective elastic module s damage factor and the damage distribution function is introduced by FEM updating .

鉴于信赖域算法在求解非线性二次规划问题中具有良好的全局收敛特性，同时结合有限元模型修正技术，引入有效弹性模量损伤因子和损伤分布函数的概念，在Matlab编程环境下调用ANSYS有限元程序中的APDL语言进行桥梁空间结构的有限元建模，利用信赖域算法调整局部单元的参数，通过连续损伤分布插值多项式拟合连续区段各单元的损伤分布曲线，进而实现了对连续梁桥的动力损伤识别。

The vibration signals from a free vibrated cantilever beam are carried on Fast Fourier Transformation and spectrum analysis.

采集悬臂梁自由振动下的声发射信号，并对信号进行快速傅里叶变换和频谱分析。

In liquid, the low quality factor of the microcantilever in tapping mode limits the force sensitivity and imaging resolution of atomic force microscopy.

液体中轻敲模式下微悬臂梁的低品质因数会限制原子力显微镜的力灵敏度和成像分辨率，品质因数调控技术可以提高品质因数。

The forced vibration of the electromechanical coupled double micro beam under harmonic excitation is investigated further.

进一步研究了机电耦合双微梁在简谐激励作用下的受迫振动规律。

C one edge of production technology, production equipment - the company purchased a new vacuum consumable arc furnace 800kg and 1500kg are the latest German technology, from Shenyang really Xin Technology Co., Ltd. in its continuous improvement of production technology and applies its the newest and most advanced programs from manufacturers; newly purchased 2500 tons of the three beam four-post Hydraulic Press Hydraulic Press Start by Shenyang Equipment Manufacturing Co., Ltd. design and manufacture; other ancillary lathe, welding machine, cutting machine, etc. acquired new.

生产设备——公司一期新购真空自耗电弧炉800kg和1500kg均采用德国最新技术设计，由沈阳真鑫科技有限公司在其不断改进生产技术的情况下采用其最新最先进的方案制造而成；新购的2500吨三梁四柱液压机由沈阳实达液压机设备制造有限公司设计制造；其它配套的车床、氩弧焊机、切割机等均全新购置的。

Between the upper and lower bounds on the region shows the traditional fram

上界和下界之间的区域显示的是传统梁柱框架的造价随高度而变化的情况。

The tumor is lobulated under microscope, some immature Sertoli cells were arranged as either amorphous plaques, funicular, broad beam, nest, solid or hollow tubules; Leydig cells existed individually or in clusters, and their cytoplasm was abundant and eosinophilic.

镜下肿瘤呈分叶状，有不成熟的支持细胞排列呈片块状、不规则形或条索状、宽梁状、巢状、实性或空心的小管；莱迪细胞呈单个或簇集存在，细胞浆丰富且嗜酸。

In accordance with the Technical Specification for Steel Structure of Lightweight Buildings with Gabled Frames,the value and position of the extreme bending moment in the oblique beam of the portal frame as well as the contraflexure point are calculated and analyzed.

在门式刚架轻型房屋钢结构技术规程条件下，文章研究了门式刚架斜梁的极值弯矩与跨中截面的弯矩和位置之间的关系以及反弯点的区域，为简化门式刚架优化设计程序的编写提供了理论支持。

Based on the sectional shield tunnels of metro in China, mechanical behavior of segment structure of shield tunnel under the different erection methods has been studied with geometric proportion of 1:12 through the simulated model tests of 3D 'ground-shield tunnel' in which joint effects of segments and mutual action effects between segments and ground are considered.

以我国城市地铁区间盾构隧道为对象，采用几何比 1/12、同时考虑盾构隧道管片接头效应和管片与土体相互作用效应，用三维土-盾构隧道相似模型试验对盾构隧道管片结构在不同拼装方式下的力学行为进行了研究，并将研究结果与梁-弹簧模型的理论分析结果进行了比较，得出的结论可为盾构隧道的设计提供参考。

The stress and deformation of the concrete box girder under the temperature load is one of the main factors affecting engineered quality.

温度荷载作用下的混凝土箱梁的应力和变形，是影响工程质量的主要因素之一。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！