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Thus, it can be inferred that the Selong Group in the southern Tibet is also Lopingian in age in view of its correctable brachiopod faunas with those of the Kalabagh Member of the upper Wargal Formation and the Chhidru Formation and the conodont zones around the Permian/Triassic boundary in southern Tibet.

我国西藏南部色龙及相当地层含有与巴基斯坦盐岭地区Kalabagh段和Chhidru组可对比的乐平世腕足动物以及二叠系—三叠系界线附近连续的牙形类化石带,由此可以推定色龙的时代应为乐平世。

According to either sequence data sets or gene arrangement features at both gene junctions, Brachyuran crabs were monophyletic and divergent between Heterotremata and Thoracotremata. Potamoidea represented by S.

本文基于基因序列和排列数据的系统发生分析都支持短尾类是一单系;异孔类和胸孔类互为姐妹;以长江华溪蟹为代表的溪蟹总科与扇蟹总科、梭子蟹总科有较近的亲缘关系。

By taking advantage of the non-conjugate transformation and multiple variant equations on braid group s, two intractable problems are proposed, and the hardness of these problems comes from the enlarged amount of va.

辫子是一种新兴的适用于量子计算机时代的公钥密码平台,辫子上已知的用于公钥密码系统的一些难解问题和基于这些难解问题的公钥加密算法都受到不同程度的攻击。

One is tradition algorithm,which consists branch and bound method,improving loop method,cupidity algorithm,MST algorithm,MM algorithm,insertion method.Another is modern optimization algorithm which consists simulated annealing algorithm,artificial immune algorithm,genetic algorithm,ant colony algorithm,particle swarm optimization,Tabu Search,Hopfield neural network.The third is algorithm of DNA computing which is designed by authors.

第一种为传统算法,包括分支定界法、改良回路法、贪婪算法、MST算法、MM算法、插入法等;第二种为现代优化算法,包括模拟退火算法、人工免疫算法、遗传算法、蚁算法、粒子优化算法、禁忌搜索算法、Hopfield神经网络算法等;第三种为论文提出的DNA计算算法。

Report from our correspondent last noon, the QQ that Mr Chen sends the netizen to be in in oneself now group go up, one person pretends to be group of friend to other netizen bunco.

本报讯 昨天中午,网友陈先生发现在自己所在的QQ上,有一人冒充友向其他网友行骗。

The second group of cells in the bursa similar to the organ or tissue by the hormone, mature and differentiate into other cell subsets, known as B lymphocytes.

第二个细胞在类似法氏囊的器官或组织内受激素作用,成熟并分化为淋巴细胞的另一个亚,被称为 B 淋巴细胞。

Group advocate just group possessory, decide even if do not have the person of cacique temperament.

主只是所有者,不一定就是具有领袖气质的人。

In this paper, after the introduction of the basic concepts and the main results on K〓 theory, relative K〓 theory and the theory of classical groups of degree 2 which is related to K〓 theory, we study the problems of the computation of K〓 for the ring of integers of quadratic imaginary fields, examples of subrings of quadratic fields which are not universal for GE〓 and generating set of the Cokernel of the canonical homomorphism from K〓 to K〓.

本文在介绍了K〓理论和相对K〓理论以及与K〓理论有关的2阶典型的基本概念及主要成果之后,对于虚二次域代数整环的K〓的计算,非GE〓泛的虚二次域的子环以及K〓到K〓的自然同态的余核的生成元集等问题进行了研究。

The course contains four sections as follows: mathematical logic (including basic concepts of propositional logic and predicate logic, propositional calculuses and inference theories), set theory (including set algebras, relations, functions and cardinal numbers), algebraic structure (including algebraic systems, semigroups and groups, rings and fields, lattices and Boolean algebras), graph theory (including basic concepts of graph, Euler graphs and Hamiltonian graphs, trees, planar graphs and coloring graphs, some special vertex subsets and edge subsets).

本课程包含四部分内容:数理逻辑(包含命题逻辑与一阶逻辑的基本概念、等值演算以及推理理论),集合论(包含集合代数、二元关系、函数和基数),代数结构(包含代数系统、半、环与域、格与布尔代数),图论(包含图的基本概念、欧拉图与哈密顿图、树、平面图及图的着色、图的某些特殊的顶点子集与边子集)。

The immunity of Newcastle disease needs the lood serum antybody, and also needs catarrh antybody,.

种鸡ND抗体水平的高低并不能阻止新城疫病毒对鸡的感染。

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推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。