Using a unique set of repeated cross-sectional data this paper examines the causes of this increase in earnings inequality.
本文使用一个独特的由多年很截面数据组成的数据库对收入不平等在这期间的增长进行分析。
The solution of arc length of sectional ellipse for geodetic problem, which is based on the direct algorithm of meridian arc length is introduced in this paper.
介绍了利用子午线弧长的直接算法来解算大地问题中截面椭圆弧长的一种直接解法。
As the procedure is simple for stress in meridian direction, this paper only discusses how to use the cross-sectional method to determine hoop stress and other aspects of applications.
由于壳体经向应力求解过程比较简单,本文只给出了如何应用截面法求解壳体环向应力,并举例说明了该方法在其它方面的应用。
In this paper the variational adjoint method is applied to the assimilation of the observed data into the sectional distribution of sea temperature to optimize the initial field.
以二维断面海温分布模型为例,利用海温实际观测数据,将变分伴随方法应用于断面海温初始场的优化。
This paper proposes a scientific hypothesis that the resistance is linear and suggests a sectional average velocity formula for river flow which reflects the character of river.
本文提出了阻力线性假设,并结合河槽断面的具体情况,对河槽的断面平均流速公式进行了探讨。
In the present paper, the influences of overburden and cavern sectional shape as well as in-situ stress condition on the characteristics of rock cavern under earthquake are analyzed by using FLAC 3 d.
本文利用FLAC3D软件,初步分析了地震荷载作用下埋深、洞室形状、地应力特征对地下岩体洞室响应特征的影响。
A new method which neither center stakes nor cross - sectional directions about route layout side slope stakes from traverse stations, is discussed in this paper.
提出一种无需放样路线的中桩,也无需测定横断面方向,在导线点上直接放样路线边线的新方法。
In this paper, the influence of the sectional insulation earth wire on the zero sequence parameters is analyzed in theory.
结合实际分析了分段绝缘地线对线路零序参数的影响以及在线路参数测量时要注意的问题。
In this paper, a new method for automatic extraction of topographical feature lines-vertical sectional method is proposed.
本文提出一种新的地性特征线的提取方法-垂直剖面法。
The paper introduced the working principle of sectional mode hoisting system of permanent magnet linear synchronous motor.
介绍了分段式永磁直线同步电机提升系统的工作原理。
This paper presents a continuous method of measuring position (power Angle) and velocity of the mover of the sectional permanent magnet linear synchronous motor (SPMLSM).
提出了一种连续的分段式永磁直线同步电动机位置(功角)和速度的检测方法。
According to two conditions, shearing deform and compress deform, the paper put forward the method of sectional numerical plug and reconstruction of mesh motion.
根据网格扭曲的两种情形—剪切扭曲和压缩扭曲,提出网格运动的局部线性插值与重构方法。
The present paper gives the derivation of the displacement sensitivity of truss structures made of piece wise linear material, with respect to the cross sectional areas of bars.
本文推导了分段线性材料桁架结构的位移对截面积的灵敏度,并给出三杆桁架实例。
Since the influence of cross-coupling is not ignored, the results from this paper are not limited in the cross sectional dimensions.
因为没有忽略横向耦合的影响,故用本法的计算结果不受横向尺寸的限制。
This paper makes an analysis on the causes of coupling effect in a two-sectional drum water level control system.
本文根据两段式水位调节系统的特点,分析了耦合作用产生的原因。
Propagation properties of the nonlinear torsional wave in a non-circular cross-sectional rod are investigated in this paper.
研究了非圆截面杆中非线性扭转波的传播特性。
This paper introduces a way of inputting picture in CAD system of sectional die design.
介绍了一种用于镶块模c A D系统设计的图形输入方法。
In this paper, an evolutionary optimization method is proposed to minimaze the weight of truss structure in terms of nodal coordinates and element cross sectional areas.
提出了一种渐进优化方法,通过分离设计变量,分别采用渐进节点移动法和满应力法优化桁架结构的形状和尺寸。
This paper introduces a novel method to discretize cross-sectional time series.
该文介绍了一个新颖的针对跨地区时间序列的离散化方法。
This paper describes the soil cement mixing pile formed within the sealing of sectional support on how to pull the steel curtain for recycling.
文章介绍在水泥土搅拌桩内插型钢支护形成止水帷幕中如何拔出型钢进行回收。
The paper mainly analyses the chain track sectional profile of non chain drive mechanism of an importing miming machine and researches on its stress state deeply.
本文着重对引进采煤机无链牵引机构的链轨截面轮廓进行分析,并对其受力进行较深入的研究。
The paper describes a method of the left ventricle vrachyaxis contour—tracking in sectional echocardiography image.
提出了一种序列超声心动图左室短轴轮廓跟踪方法。
Besides, the paper designs the sectional spatial truss structure according to the request of the experiment environment.
此外,针对将要进行的实验环境要求,设计了组合式空间桁架结构。
With the example of replacement for the bow "HUI XING", this paper introduces how to shorten repair period and raise efficiency by precasting large parts of projection and sectional hoisting.
文中以“汇兴”轮的整个船艏换新为例 ,介绍通过预制大型分段进行吊装来缩短修复周期 ,提高修船效率。
This paper investigates whether realized and implied volatilities of individual stocks can predict the cross-sectional variation in expected returns.
本文探讨是否实现隐含波动率与预期回报的个股可以预测的横截面的变化。
This paper investigates the relationship between board monitoring and earnings management, based on a broad cross-sectional sample of 675 qualified listed companies in 2003.
本文利用2003年675家符合研究要求的上交所上市公司作为样本,研究了董事会监管与盈余管理之间的关系。
The paper studied the gateway layout, the sectional top coal height and the coal mining technology of the coal mining method. Then the gateway and pillar top coal caving technology was developed.
对该采煤方法的巷道布置、阶段顶煤高度以及回采工艺进行了研究,形成了巷柱式放顶煤开采技术。
On the basis of the curve equation of the profilogram deduced exactly, this paper obtains an exact calculating method for the cross sectional area of gear.
从理论上解析大倾角带式输送机物料横截面积的计算过程,并通过具体实例验证大倾角皮带机输送量的计算的合理性。
As the procedure is simple for stress in meridian direction, this paper only discusses how to use the cross-sectional method to determine hoop stress and other aspects of...
由于壳体经向应力求解过程比较简单,本文只给出了如何应用截面法求解壳体环向应力,并举例说明了该方法在其它方面的应用。
As the procedure is simple for stress in meridian direction, this paper only discusses how to use the cross-sectional method to determine hoop stress and other aspects of...
由于壳体经向应力求解过程比较简单,本文只给出了如何应用截面法求解壳体环向应力,并举例说明了该方法在其它方面的应用。
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