1) Ping Tan
平弹
1.
It can be divided into two subsystems: "Gao Qiang" and "Ping Tan".
石阡木偶戏的唱腔音乐是该戏种地方特点和风格特征的主要表现形式,可以分为“高腔”和“平弹”两个子系统。
2) plane elasticity
平面弹性
1.
The direct integral expression of nth-order stress intensity factor in fracture problem for plane elasticity;
平面弹性断裂问题各阶应力强度因子的直接积分表达
2.
In this article, the multivariable plane elasticity variation principle for divided region is presented, which includes the boundary conditions for each divided region and covers five classes of equations such as equilibrium, stress_stress function, displacement_strain, compatibility and material behaviour.
将平面弹性问题的多类变量变分原理进一步推广应用于分区 ,并形成分区的平面弹性多变量变分原理。
3.
hree formulation of the doubly periodic mixed boundary value problem inplane elasticity is proposed when the displacements given on the closed boundary contours ofa multconnected elastic region are relative to certain rigid motions which are different to eachother for different boundary contours.
给出双周期基本胞腔内含若干个任意形状孔洞的具相对位移的平面弹性混合边值问题的三种提法，并采用复变函数方法，建立数学模型，推广方法构造出复应力函数解的形式。
3) spring balance
弹簧平衡
1.
The optimization design of electric barrier spring balance system by genetic algorithm;
利用遗传算法进行电动栏杆弹簧平衡系统的优化设计
2.
In this paper,the particularities of electric barrier design and such key technologies as optimization of internal spring balance system,the velocity and acceleration characteristics of crank-rocker mechanism,motor and decelerating system selection,self-locking scheme,high reliable and intelligent protective functions are discussed.
探讨了电动栏杆设计的特殊性和关键技术内容:内部弹簧平衡系统的优化、曲柄摇杆机构的速度和加速度特性、电机及减速系统选型、系统自锁方案、高可靠高智能的防护功能。
3.
The particularities of electric barrier design and such key technologies as optimization of internal spring balance system,the velocity and acceleration characteristics of crank-rocker mechanism,motor and decelerating system selection,system self-locking scheme and high reliable and intelligent protective functions .
本文探讨了电动栏杆设计的特殊性和关键技术内容:内部弹簧平衡系统的优化、曲柄摇杆机构的速度和加速度特性、电机及减速系统选型、系统自锁方案、高可靠高智能的防护功能。
4) planar spring
平面弹簧
5) parallel trajectory
平行弹道
1.
In order to improve the attack capability of torpedo to submarine and choose the crucial attact point,a method for torpedo cross attack with parallel trajectory is proposed based on the analysis and calculation of target bearing trend supposing torpedo and target are on the same horizontal plane during attack phase.
为了增强鱼雷对潜艇的攻击力以及选择攻击目标的要害部位,基于目标方位走向的分析计算,提出了假设攻击时鱼雷和目标处在同一水平面时,在攻击阶段实施平行弹道正交攻击的方法,探讨了平行弹道下对目标的参量估计以及正交攻击的弹道,给出了目标航向、目标速度、目标长度、目标艏艉距离、方位估计等参数算法及其正交攻击弹道的运动方程。
补充资料：平巷弹塑性地压理论
平巷弹塑性地压理论
ground pressure around tunnel in elastic-plastic rock
P IngXlong tonsUXIng dlyol}IUn平巷弹塑性地压理论(gr〔)。nd Iore、sur。:，r(。-undt、Innel in elastie一plastie rnek)在弹性岩休中汗挖巷道后，由于应力集中，一定范围内的围岩将因应力超出弹性极限而进人塑性状态(见图)塑性区的大小决定于原岩应力.围岩性质，巷道儿何形状及支护条件若塑性区继续发展，岩石强度参数逐渐降低，巷道失稳破坏。所以，在巷道破坏前应采取人工支护，限制塑性区的扩展。弹塑性地压理论即考虑了上述围岩性质转化和支护作用，又将弹塑性理论用于地压研究，便于建立地压问题的解析解，因此应用较广。在将弹塑性理论应用于地压的研究中，由于考虑的因素和侧重方血不同·许多学者提出了不同的假说及弹塑性地压计算方法。中国郑颖人对侧压系数入一1的圆形巷道给出了修正的芬纳尔(P·Finner)方程: P，一(P〔、一(、eot甲)(l一sln犷， 只}务1嘿下一价。 ’、(R。’一~‘了式甲尸为围岩压力或支护抗力;尸「为原岩应力:f为岩体粘结力;爷为岩体内摩擦角;几为巷道周边塑性区半径:。、为巷道半径根据弹塑性地压理论，巷道围岩塑性区的形成和塑性流动是产生地压的原因，用支护阻止塑性区的扩展是控制地压的有效方法扭犷 非弹性变形区的应力分布 。一围岩径向应力.即一围岩切向应力
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条