Mature RBC have a finite life span; their production and destruction must be carefully balanced, or disease ensues.
成熟红细胞的寿命是有限的，它们的产生和凋亡必须保持精确平衡，否则会发生疾病。
Normal cells show a finite life span.
正常细胞显示有限的生命期。
Aiming at the long span steel bridge deck pavement, the impacts of the pavement on orthotropic steel deck under the action of vertical and horizontal load were analyzed using finite element method.
针对大跨径钢箱梁桥面铺装，应用有限单元法对正交异性钢桥面铺铺装体系进行分析。
Using a spatial composite finite element method, combining three-dimensional solid element and bar element, the mechanical analysis of a two-span curved PC continuous box girder bridge is conducted.
采用三维实体单元和杆单元相结合的空间组合有限元方法，对一座两跨曲线预应力混凝土箱形连续梁桥进行空间受力分析。
On the basis of error analysis of finite element modeling, the multi-level model updating is put forward for long-span Bridges.
在有限元模型误差来源分析的基础上，提出了大跨桥梁结构模型误差的分层次修正方法。
The overall stability tests of monosymmetric I-shaped overhanging beams and two-span continuous beams are simulated by finite element program ANSYS.
利用ANSYS有限元程序对单轴对称工字形单伸臂梁和双跨连续梁整体稳定试验进行了有限元模拟。
The calculation models of curved beam Bridges with same span length, but different curvature radius, center angles and supporting forms are established by means of finite element software.
利用有限元软件，建立了跨径相同、曲率半径和圆心角以及支撑形式不同的弯梁桥计算模型。
A modification method based on the combined universal finite element program and mathematic software for finite element model of long span bridge is proposed.
提出一种通用有限元程序和数学软件相结合的大跨度桥梁有限元模型修正方法。
Taking a long-span transmission tower as example, finite element method was employed to construct a tower-line model and simulate the conduct dropping process.
以某大跨越输电塔为例，采用有限元方法建立了塔线模型，并对导线的跌落过程进行模拟。
With the finite element software, the influence on the structure is calculated of metro excavation under large span obliquely intersected framed underpass bridge constructed with jacking method.
借助大型有限元分析软件，对大跨度斜交顶进框架式地道桥底板下开挖地铁对地道桥结构的影响进行较深入的探讨。
Based on the force behavior of joist of large-span prestressed space frame system, space finite element analysis of prestressed beam-slab system is carried out by using ANSYS software.
针对大跨度预应力空间框架体系托梁受力复杂的特点，采用ANSYS软件进行了预应力梁板体系的空间有限元分析。
The test model and another model with the same span, span-height ratio, and sectional dimensions were analyzed using the finite element analysis software ANSYS.
同时利用有限元计算软件AN SY S对试验模型以及与试验模型相同跨度、跨高比和截面尺寸的门式刚架进行计算。
On the basis of summarizing the existing large-span slab structure forms, this article made a nonlinear finite-element analysis for the large span board.
本文在总结已有大跨度楼板结构形式的基础上，对低肋大跨度楼板这种新型的楼板体系进行了非线性分析。
All organisms have a finite life-span thus the need to procreate is Paramount. Explore the fundamental aspects of reproduction including physical organ (in plants and animals) and genetic inheritance.
所有生物都有有限的生命周期所以繁殖后代非常重要。探究繁殖系统基本要素包括的各个生理器官(植物的和动物的)以及基因遗传。
Illustrating that as to this multi-span large frame structure, it is relatively right to adopt plane finite element for calculation.
通过试验说明，对于大型框架结构，采用平面有限元进行计算较为合理。
With the continuous improvement of finite element analysis software, the results of finite element analysis are always used for controlling and predicting the large-span Bridges' construction.
随着有限元分析软件的不断完善，在大跨度桥梁的施工中，常常采用有限元分析的结果对施工进行控制与预测。
Based on ANSYS programs, the nonlinear finite element models of two-span prestressed steel-concrete continuous composite beam were established.
本文基于大型有限元软件ANSYS，建立预应力钢-混凝土两跨连续组合梁的非线性有限元分析模型。
Authors presented a finite element (FE) model and frequency analysis method for analyzing 3-d full-mode flutter of long-span Bridges using ANSYS software.
提出了一种在ANSYS中直接分析大跨桥梁三维全模态颤振的有限元模型和频域方法。
In this thesis, choosing the commonly used multi-span empty arch bridge as project background. carry out the seismic response with the finite element analysis software ANSYS.
本文以某多跨悬链线空腹式拱桥为工程背景，以大型有限元分析软件ANSYS为平台，对该桥进行地震反应分析。
Based on ANSYS which is finite element software, the stress state of oil pipeline, which is simulated and analyzed the ultimate span.
通过有限元软件ANSYS对石油管道的受力状态进行模拟分析，得出管道的极限跨度。
In this thesis, there are three different span cable Bridges as project background, introduced the theoretical calculation of cable Bridges, numerical methods and nonlinear finite element analysis.
本文以不同跨度的三座索道桥为工程背景，分别介绍了索道桥的理论计算方法、数值计算方法及非线性有限元分析方法。
Through the static and dynamic analyses of the structure of the main span with finite-element program, this paper introduces the ductility design method for large span continuous rigid frame Bridges.
本文通过有限元程序对主桥结构进行的静力及动力分析，介绍了大跨度连续刚构桥延性设计方法。
Based on the pseudo-excitation method and the finite element method, a new random vibration method is developed for predicting buffeting internal forces of long-span Bridges in the frequency domain.
基于虚拟激励法和有限元法，在频域建立了一种新的桥梁抖振内力响应分析的随机振动方法。
To analyze the wires breaking-induced vibrations of long-span power transmission towers, three finite element models of shield wire, conductor wire and tower were established with ANSYS/LS-DYNA.
基于有限元程序ANSYS/LS-DYNA，分别建立以等效弹簧代替塔对线路作用的导线、地线模型和以等效弹簧代替线路对输电塔作用的直线塔模型。
To analyze the wires breaking-induced vibrations of long-span power transmission towers, three finite element models of shield wire, conductor wire and tower were established with ANSYS/LS-DYNA.
基于有限元程序ANSYS/LS-DYNA，分别建立以等效弹簧代替塔对线路作用的导线、地线模型和以等效弹簧代替线路对输电塔作用的直线塔模型。
应用推荐