variable adj. 1.易变的,变化无常的,无定的 (opp. constant, steady)。 2.可变的,能变的;变换的。 3.【数学】变量的;【天文学】变光的;【生物学】变异的。 Prices are variable according to the exchanges. 物价跟着汇率变动。 a man of variable character 反复无常的人。 a rod of variable length (伸缩)如意棒。 a word of variable construction 可以作种种解释的词。 variable capital 可变资本。 a variable budget 临时预算。 n. 1.易变的东西。 2.【数学】变量,变数,变项,变元 (opp. constant);【天文学】变星 (=variable star);【航海】(方向不定的)变风,不定风 (opp. trade wind); 〔pl.〕 (贸易风带中的)变风带。 adv. -ably ,-ness n.
Based on sand - storm ' s occurrence times data in ningxia , arctic sea - ice area index data , height and wind fields data of ncar / ncar reanalysis , the basic variable rules and anomalous air circulation background fields of spring sand - storm ' s occurrence times in ningxia are systematically analyzed . more attention was paid on studying the tele - connections between arctic sea - ice areas and spring sand - storm ' s occurrence times in ningxia , and impossible affecting process of greenland sea - ice areas " anomalies on sand - storm ' s occurrence times . the results are as follows : 1 本文根据宁夏沙尘暴发生次数资料、北极海冰密集度资料和ncar / ncep再分析资料,较系统地分析了宁夏春季沙尘暴发生次数的基本变化规律及其异常的大气环流背景场,重点研究了北极海冰与宁夏春季沙尘暴发生次数之间的遥相关关系以及格陵兰海冰异常变化对沙尘暴的可能影响途径,结果表明: 1 、夏春季沙尘暴发生次数在1960 - 2000年有明显的年代际和年际变化特点,总体呈减少趋势,且在1984年发生了明显的突变,有10年和7年左右的周期。
Then it analyses the main problem of talents resource of science and technology from the several aspects , such as the quality of the talents resource procession scale , the allocation of talents resource , the structure of talents , outflow of the talents , the construction of talents market , etc . it analyses the forming reasons from the several aspects , such as history , mechanism , policy , environment and concept , etc . 2 . it adopts the theory of systems engineering and the concept of working together , founds an index structure system of the economy - talent development and a model of the fuzzy synthesizing evaluation , and judges the coordination degree of the development of economy - talent system in hebei province to reflect the variable rule and feature of the economy - talent system 本论文以人力资源理论为指导,结合使用先进适用的科学分析手段研究了如下内容: 1 、首先对河北省科技人才的现状进行了分析,从人才资源队伍规模素质、人才资源配置、人才结构、人才外流、人才市场建设等几个方面分析了我省科技人才资源存在的主要问题,并从历史、机制、政策、环境、观念等几个方面分析了形成的原因。 2 、采用系统工程理论和协同论的观点,建立一种经济? ?人才发展系统的指标结构体系和模糊综合评判模型,并通过对河北省的经济与人才系统发展协调度的判定,来反映其经济与人才系统的变化规律和特征。