| 1. | Dissymmetrical globalization - political economical analysis of international immigration 国际移民的政治经济学分析
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| 2. | Construction technique for large - span and dissymmetrical twin - arch tunnel under complex geological conditions 大跨度不对称双联拱隧道在复杂地质条件下的施工技术
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| 3. | Microcosmic morphology of prepared membranes observed by a scanning electron microscopy ( sem ) show that the nanofiltration membrane has a dissymmetrical structure 采用扫描电子显微镜( sem )观察了膜的微观形态结构,表明所制纳滤膜具有典型的不对称结构。
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| 4. | The research work of the dissertation includes the following two parts : researching the passive ranging technology of three elements dissymmetrical array and developing system software of the sonar pulse detection module 本论文的研究工作分为两个部分:三元非对称阵被动测距技术研究和声呐脉冲侦察模块系统软件的研制。
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| 5. | The main contributions of this dissertation include : firstly , deeply research on underlying techniques of pki system , emphatically analyze dissymmetrical public - key cryptography ecc and compare it with other cryptography techniques 本文首先对pki体系的底层技术进行深入研究,重点分析了非对称密码椭圆曲线密码体制,并将它与其他密码技术进行了比较。
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| 6. | The control system with such method is simulated and a inverter is made for speed control of single - phase motor . the method presented in this paper offers such advantages as easy implementation , large range of frequency and rapid dynamic response . furthermore , using this method , the single - phase motor with symmetrical or dissymmetrical windings can operate symmetrically 本文提出的变频调速控制方法具有系统设计简单易实现,调速范围大,动态响应快等特点,而且在电机绕组对称和不对称两种情况下均可实现变频调速的对称运行。
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| 7. | The main work of the first part includes : introducing some methods of underwater sound positioning and analyzing their performance , analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array , comparing the measuring error of two kinds of array , and giving the theory of the generic arrays and discussing the phase wrapping and the distance wrapping in passive ranging 对被动测距技术的研究工作主要包括:简单介绍了水声定位的几种方法,并对其性能进行了分析对比,分析了三元对称阵和非对称阵测向测距的原理,对两种阵型的测向测距误差进行了对比分析,还给出了一般阵型测向测距原理,最后还对被动测向测距中存在的相位模糊和距离模糊问题进行了探讨。
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| 8. | These characteristics give l2tp an advantage on building vpn . there are some disadvantages : one is that l2tp has a little of universality because it only encapsulate ppp frames ; the other is that the working of l2tp is dissymmetrical because lac is one end of l2tp and lns is other end of l2tp 但是,早期的二层隧道协议(第一版的l2f和pptp ,以及第2版的l2tp )的通用性不强,分别在封装对象上有局限性(例如只针对ppp ) ;应用工作模式为非对称的,未能将该技术的应用范围拓宽。
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| 9. | This ultrafilter adopts dissymmetrical semipermeable film which is made from macromolecule material with special process , the raw liquid flows under pressure , inside or out side the film , the macromolecule substance and colloid particles in the raw liquid are clogged at the film suface and are brought away by circulating raw liquid . then the raw liquid becomes inspissated , and further more , the substance in liquid is separated 本设备是以高分子材料采用特殊工艺制成的不对称头透膜,在压力作用下,原液在膜内或膜外流动,其中的高分子物质,以及胶体粒子则被阻止在膜面,被循环流动的原料带走而成为浓缩液,从而达到了物料的分离浓缩和提纯的目的。
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| 10. | At first , analysis of extreme temperature ' s spatial distribution of variety trend shows that the minimum temperature in the north are going up while the maximal temperature in east china declining widely , which is a numerical characteristics of prevailing warmer - winter in recent years . so the change of minimum and maximal temperature are dissymmetrical 首先从总体上,分析极端最高和极端最低温度变化趋势的空间分布:北方地区极端最低温度普遍上升,且幅度较大,是近年来暖冬盛行的一个数值化特征;极端最高温度在东部普遍下降,最低最高温度变化具有不对称性。
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