查询词典 bounding box

The bounding surface may be whether a wall, a fence, or an abstract line or plane. Orientational metaphors of idioms give concepts of an idiom spatial orientation.

习语的方位隐喻特征指的是，人们在习语中参照上下、内外、前后、深浅、中心一边缘等概念建构的隐喻。

It was found that with the increase in the oscillating frequency for a fixed oscillating angle, the film thickness increases, which may contribute to the formation of the oil film; however, the maximum pressure and the pressure scope during an oscillation cycle also increase; which may shorten the fatigue life of the bounding surface in the latter situation.

结果表明：在摆程不变的条件下，膜厚随摆动频率增加而增大，有利于润滑膜的建立，但同时会增加1个周期中的最大压力及压力波动幅度，使工件易于疲劳；对于相同凸度量，在低频摆动工况下边缘效应较高频工况下的严重，因此在低频摆动工况下使用滚子设计时需要增大其凸度量。

The bounding surface hypoplasticity model for rockfill materials modified by the authors is employed to characterize the material behavior for typical tests under different consolidation stress state, drainage condition and loading pattern.

采用所发展的亚塑性边界面模型，对堆石料在不同固结应力状态、排水条件和加载方式下的典型试验进行了数值模拟分析。

Under the optimized conditions, the relative fluorescence intensity decreased linearly with the copper ions concentration in the range from 2 to 200μg·L~(-1) and the detection limit could reach 0.29μg·L~(-1). Based on the charge-transfer quenching mechanism, the copper ions bounding onto the surface of qdots could absorb electrons from valance band, which results in the quenching of fluorescence.

用电荷转移机制解释了量子点荧光猝灭的原因，主要是由于价带电子激发到导带以后被表面结合的Cu~(2+)离子捕获而产生的结果，在此基础上，用光解实验进行了进一步的验证。

Considering the bounding surface plasticity constitutive model of soil, the program, named as WSDP, is coded to analyse the dynamic elastoplastic responses of two-dimensional soil layer.

讨论土体本构关系、土层应力历史状态、人工边界的设置以及为消除人工边界高频振荡而采用的黏性阻尼等因素对土层动力反应的影响。

Then the particle swarm optimization is introduced to collision detection area. In this dissertation, it also proposes two novel framework which combines the exist techniques of hierarchy bounding volume and surface simplification with the PSO. We have tested the frameworks in our "Haptic Interactive System ". The new frameworks performance well for most models in virtual scene.

本文探索和研究了虚拟环境中广泛使用的碰撞检测算法，尝试把几何模型的碰撞检测问题转化为优化搜索问题，把粒子群优化搜索技术引入碰撞检测领域，并结合碰撞检测领域现有的层次包围盒技术和网格简化技术，组成新颖的限时干涉检测算法框架，即用户可以方便地控制分配给碰撞检测算法的时间，尝试去克服这一技术瓶颈。

The influential soil constitutive models involving principal stress axes rotation, such as Matsuoka's model, kinematic hardening model, bounding surface model and the complete stress incremen...

对当前较有影响的含主应力轴旋转的土体本构模型（基于一般应力空间的土体本构模型、运动硬化模型、边界面模型、土体弹塑性应力应变关系的完全应力增量表述等等）进行了较为系统的评述。

On the base of analysis concerning Tianjing and Tanggo-Xingang soil properties and observation results of settlements, some rules of settlement of buildings in the area were obtained. Final settlements, settlements at end of construction and the time of final settlement were discussed. Tests used for determining paramcters of four models were introduced. The parameters in Duncan-Chang model are determined from isotropic consolidation test and the parameters in Gong-Xiannan model from Ko consolidation tests while the parameters in the model proposedin chapter 2 from the equal increment stress ratio test and ones in the bounding surface model developed in chapter 3 from the effective stress-path of CIU test.

根据天津市区及塘沽新港地区的地基土质情况以及沉降观测资料，分析了该地区建筑物沉降的一些规律，讨论了最终沉降量，完工时的沉降量以及沉降稳定时所需要的时间，介绍了确定各模型参数所需要的试验：Duncan—Zhang模型参数根据等向固结的三轴试验确定；龚晓南Ko固结模型根据Ko固结三轴试验确定；本文建立的非线性弹性模型根据等向增量应力比试验确定，边界面模型参数可根据固结不排水剪切试验的有效应力路径确定。

A modefied egg function has been proposed and used in a bounding surface model. This model has potential value of applicaton since it reflects better actual situation of soil mass under loading. That is: when a stress point is still within the yield surface, the unrccovered plastic deformation would occur as stresses change, and using closed smooth function makes stress modification in the FEM much easier.

文中提出了一个改进蛋形函数，并采用这个函数建立了边界面模型，该模型由于机理上更好地反映了土体受荷时的实际情况，即当应力点在屈服面内时，随着应力状态的改变，仍然可以产生不可恢复的塑性变形，而在计算功能上由于使用了封闭光滑的边界面，不存在角点问题使有限元程序计算显得很方便，从这两个方面看，该模型具有潜在的应用价值。

Biot's consolidation theory was used to serve as a frame working with the nonlinear elastic model or with elasto-plastic model in the program. Nonlinear elastic model includes Duncan-Zhang model, Gong Xiannan Ko consolidation model and the model proposed in chapter 2. Elasto-plastic model in the program includes Mohr-Coulomb model, Drucker-Prager model and the bounding surface model developed in chapter 3. The program can be used in cases of plane problem and axisymmtric problem.

FOR，针对软土地基的变形特点，该程序以Biot固结理论为框架，可以进行线弹性，非线性弹性和弹塑性的有限元计算，在非线性弹性模型中包括了Duncan—Chang模型、龚晓南Ko固结模型和本文建立的非线性模型，弹塑性模型中包拓了Mohr—Coulomb模型，Drucker—Prager模型以及本文中建立的边界面模型，该程序可以考虑平面问题也可以考虑轴对称问题。

Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。