查询词典 variable annuity

The multiple cracks and multiple circular holes problem of the particular antiplane regions are studied in the paper by the complex variable function and integral equation method.

利用Fredholm积分方程和复函数方法对断裂力学中的一些特殊反平面区域内的多圆孔、多裂纹问题进行了计算。

By using of complex variable function and integral equation method, the antiplane multiple holes and cracks problem of half plane region is considered in this paper.

运用复变函数及积分方程方法，求解了半平面域多圆孔多裂纹反平面问题。

Combined Latin hypercube sampling with antithetic variable method, the method introduces the sampling method into missile accuracy analysis, to decrease sampling numbers and keep simulation precision.

其将拉丁超立方抽样与对偶变数法相结合的抽样方法引入导弹精度分析，保证仿真精度的同时减少抽样次数。

In most fields of discourse the term is an antonym of "variable".

在很多领域中，常量也被认为是变量的反义词。

Results The aorta and its major branches are frequently involved in aortitis syndrome, and the steno-occlusive type is common. CT and MRI can demonstrate variable evolution of vascular lesions.

大动脉炎综合征多部位血管受累多见，以狭窄-阻塞型常见，MR及CT可观察血大动脉炎病变血管壁病理改变。

The species present in China are not clear-cut and are also variable within themselves due to polyploidy and apomixis.

存在于中国的本种不明确，由于polyploidy和无融合生殖在他们自己内也是易变的。

Variable structure control of discrete-time systems and its applications in power electronic apparatus are discussed in this paper.

本文探讨了离散系统的变结构控制及其在电力电子装置中的应用。

Recently, many empirical research in growth use average education level as representative human capital index, and most of us to do so in China, but it is many limitations of education variable, especially it is not measure in currency, so cannot compared with other capital, such as physical capital, in appraisal human capital.

近来，多数有关经济增长的实证研究将劳动者的教育水平作为人力资本的代表性指标，我国大多数学者的研究也仅限于这一方法，但是，基于教育代表指标的研究存在很多缺陷，特别是教育指标大多并非以货币为计量单位，在衡量与评价人力资本作用时，难以与其它资本，比如物质资本进行比较。

Nevertheless, the laminated shell model with variable thickness and material properties can be employed to approximate the tire of composite construction.

以轮胎的内轮廓曲面为参考面，用正交曲线坐标描述轮胎的几何变形。

The basic idea is to set a continuous solution of the region with a finite number of discrete points instead of a grid consisting of, these discrete points called grid nodes the solution of a continuous area on a given function of continuous variables used in the definition of discrete grid variable function approximation the original equation and boundary conditions in the micro-business operators to approximate differential, integral with the points and to approximate, so the original differential equations and boundary conditions are replaced by algebraic equations near Side, that is, finite difference equations , solve this equation group can get the original problem in discrete points on the approximate solution.

基本思想是把连续的定解区域用有限个离散点构成的网格来代替，这些离散点称作网格的节点；把连续定解区域上的连续变量的函数用在网格上定义的离散变量函数来近似；把原方程和定解条件中的微商用差商来近似，积分用积分和来近似，于是原微分方程和定解条件就近似地代之以代数方程组，即有限差分方程组，解此方程组就可以得到原问题在离散点上的近似解。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。