The first one is about how to build the connection between describing function method and phase plane method through limit cycle analysis.
第一个是关于如何通过极限环分析建立描述函数法与相平面法之间联系；
Its efficiency was demonstrated by computing the limit load factor and the collapse state for some plane stress and plain strain problems.
通过计算平面应力和平面应变问题的极限荷载因子和相应的坍塌机构，验证了算法的有效性。
Methods Based on the two failure mode of plane and wedge sliding destruction of the limit equilibrium theory, rock slope stability is analysed.
方法按极限平衡理论中的平面滑动破坏和楔体破坏两种破坏模式进行稳定性分析。
The calculation formula of extreme distance and limit interval to draw curves by straight lines on projection plane is deduced.
推导了投影平面上以直代曲的极限距离计算公式，代曲极限间隔值的探求。
The main aim of this dissertation is to study the exist of limit cycles of plane nonlinear dynamic system of high degree and the number and the configurations of limit cycles.
本文研究了平面多项式向量场的全局与局部分叉，旨在研究高次平面非线性动力系统多极限环的存在性以及极限环的个数及其相对位置关系；
The limit load formulae of single-edge deeply notched plates with round ends subjected to pure bend moment and tensile load under plane stress condition have been derived.
推导了平面应力条件下单边圆形底部深缺口板条受纯弯曲和拉伸载荷作用的极限载荷公式。
The limit load calculation of welding piping tees under the action of the in plane bending moment was derived based on the limit analysis.
基于极限分析的观点，推导了工业中焊制三通在面内弯矩作用下的极限载荷估算式。
The stabilities of the equilibrium points and limit cycles in different regions of two parameter plane are studied.
在两个参数平面上研究了系统在余维二分叉点附近的不同区域内平衡点和极限环的稳定性及其个数。
Based on the limit analysis viewpoint, a formula that could be used to estimate the in plane limit moment of welded branch pipe Tee was derived in this paper.
基于极限分析的观点，推导了工业中焊制管道三通在面内弯矩工况下的极限载荷估算式。
The main function of the system is in-plane bending radius estimation, forming limit estimation and forming process optimization.
本系统的主要功能有：面内弯曲半径的预测；成形极限的预测；成形工艺的优化。
Objective To discuss the movement path of condylar limit movement in sagittal plane and horizontal plane between the normal occlusion and malocclusion.
目的讨论正常者与错者在下颌极限运动时、咀嚼运动及磨牙时，髁突在矢状向与水平向移动的运动轨迹。
The limit interrupts are performed by the computer in order to keep the antenna turning continually in the azimuth plane.
利用计算机来处理限位中断，实现了天线座在方位面上连续旋转；
Analyzes singular points of prey-predator system and proves that the system hasn't limit cycle on whole plane surface.
对一类生物系统的奇点进行分析，并证明在整个平面上该系统不存在极限环。
The upper bound method of limit analysis can be used for the stability analysis of reinforced earth; the internal works on the slip plane is the crux of the stability analysis.
将极限分析上限法用于加筋土结构物稳定性分析的关键是滑动面上内力功如何计算的问题。
Geometric structure of line, plane and body, natural and graceful, shows king's demeanor to the limit.
线、面、体的几何构成，雍容大气，尽显王者风范。
Then the slider motion is analyzed by the state-plane method. A limit circle which can describe the path of the creeping motion is found out.
然后用相平面法分析滑块的运动规律，并确定爬行运动的相轨迹——极限环。
Through check, it is found that minimum excitation limit is calculated in P-Q plane, while impedance type loss-of-field protection is analyzed in R-X plane.
“发电厂并网运行安全性评价”要求验证低磁励限制与失磁保护的整定关系，在实际校核中，发现低磁励限制是在P-Q平面进行计算的，而阻抗型失磁保护是在R-X阻抗圆平面进行分析的。
Remember there is a limit to how much baggage. You may carry on a plane, and the same rule should apply to life.
记住，搭乘飞机所携带行李的重量是有限制的，运用到生活中，道理也一样。
Based on the limit analysis viewpoint, a formula that could be used to estimate the out-of-plane limit moment of welded branch pipe tee was derived in this paper.
基于极限分析的观点，推导出面外弯矩作用下焊制三通的极限载荷估算公式。
Test result suggests , in the serviceability limit states, displacement is littleer, the plane stiffness infinite assumption may be established.
实验结果表明，在正常使用极限状态时，位移较小，同一楼层平面内刚度无限大的假定可以成立。
Test result suggests , in the serviceability limit states, displacement is littleer, the plane stiffness infinite assumption may be established.
实验结果表明，在正常使用极限状态时，位移较小，同一楼层平面内刚度无限大的假定可以成立。
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