大类

Group is an important concept in Modem Algebra. Viewed from a different angle it may be divided into two different categories: finite group and infinite group; and Abelian group and non-Abelian group.

群是《近世代数》的一个重要概念，从不同的角度出发，群可以分为有限群和无限群两大类，又可以分为交换群和非交换群两大类。

The basic structural unit of the DQC and the approximants is a homocentric decagon cluster. The connections between two decagon clusters are six, which belong to two larger groups.

这种原子团簇之间的连接只有五种连接形式，它们可以归为两大类，这两大类五种连接的各种组合就可以形成准晶和各种类型的近似相。

New type of water chemistry for utility drum boiler and its principle and characteristic Two kinds of water chemistry's main principle and characteristic are detailedly analyzed. Against the problem of high eroding speed, high Fe content in feed water and boiler water, high scaling speed, short chemical cleaning interval, needing poisonous chemical deoxidant, etc for drum boiler's deoxidization water chemistry and difficulty of using oxidation water chemistry, a new type of water chemistry is put forward on the basis of analyzing the characteristic of whole power station's water steam cycle system, principle of two kinds of water chemistry and their practical effect in every cycle stage. Considering two water chemistry's merit, a new water chemistry called Limited Oxidation Water Chemistry is put forward, which is a local slight oxidization no-deoxidant water chemistry. And the proposed method's principle, control parameter, applying condition, start-lay up and emergency measures are initially calculated and analyzed.

三、新型汽包炉水化学工况的提出及其原理和特点详细分析了国内外现行两大类水化学工况处理的核心原理和特点，针对现行汽包炉还原性水化学工况处理所存在的系统腐蚀速度相对较大、给水和炉水铁浓度高、锅炉结垢速度快、机组酸洗间隔短、无法避免有毒化学除氧剂的使用以及氧化性水化学工况在汽包炉机组上应用的困难等问题，在详细分析电站整个水蒸汽循环系统的特点、两类水工况处理的原理和对循环中各段处理的实际效果等的基础上，综合两者的优点，提出了一种新型的局部轻微氧化性无除氧剂汽包炉水化学工况－"汽包炉有限氧化性水化学工况"处理原理，并初步计算、分析和确定了该种新型水化学工况的主要工艺控制参数、应用条件、启停与紧急情况处理等。

This group, which includes such famous names as Stegosaurus and Triceratops, is one of the two clades into which the dinosaurs are divided. The other is the Saurischia, whose famous members include Diplodocus and Tyrannosaurus. The Saurischia also include all the immediate ancestors of birds.

按照当今考古界的分类法，恐龙被分为两大类，一类即鸟龙类，包括很有名的剑龙和三角恐龙；另一个则是蜥龙类，其中有很出名的梁龙和暴龙，同时蜥龙类中也有鸟类的直系祖先。

By calculating the sub-cluster parameters and the total antioxidant capability parameter of some kinds of fresh vegetable with diet therapy function, we found that there is clear linear correlation between distribution parameters of biopolymer active center elements (1-x)1/3ln(r1r2/k)、(1-x)1/3ln(k2r1/r2) and antioxidant capability parameter ln[F(1-x)3], and which show monotone decreasing and monotone increasing respectively.

同时对更大范围内的9大类蔬菜和5大类水果的生物高分子活性中心元素分布及其维生素C及维生素E含量进行了考察，结果发现群子统计参数(1-x)1/3ln(r1r2/k)、(1-x)1/3ln(k2r1/r2)与维生素C、E含量参数lnVc(1-x)3、lnVe(1-x)3均分别呈单减和单增的线性关系。

Domestic and foreign has conducted extensive research to the phytoparisite process, quininones, the hydroxyl acids and flavonoids are identified as haustorial inducing factors in the perception of the host plants.

国内外对植物寄生过程进行了广泛的研究，普遍认为醌类、类黄酮类、酚类3大类化学物质为植物寄生过程中的化学信号物质。

Based on geoheritages in Chifeng, this paper analyzes their geological setting, and classifies them into nine types such as geological terrain type, paleontologic type and water type, etc. There are 41 representative geoheritages which have been ranked by their values.

在对赤峰地区地质遗迹资源调查分析的基础上，对其形成的区域地质背景进行了分析，并对地质遗迹资源进行了分类，将其主要划分为地质地貌类、古生物类、水体类等9大类，共计代表性地质遗迹点41个，并对其价值进行了等级划分。

A cataloged classification of books consists of general works and specific works, and the traditional practice of classifying books into specific classes and special classes should be given up. Edition study classifies editions into written editions, which are reclassified into hand-written, copied, and photo-offset manuscripts, and printed editions, which are re-divided into carved, typed, lithographic and block-printed editions. All these will be re-reclassified according to time region, subject and craftsmanship.

摘 要：&文献&内涵有古今之分，不宜模糊；文献学的研究对象是&文献的文本&而不是我们通常所说的&文献&；&分类&与&编目&是目录学两大基本内容，不宜混而不清；目录学中的书目分类应分为综合性书目、专门性书目两大类，不宜再继续所谓专科目录、特种目录等旧的分类方法；版本学中的版本分类宜分为写本与印本两大类，其下写本再分为稿本、抄本、影写本，印本再分为刻本、活字本、石印本，刻本之下再根据时间、地区、主体、工艺等划分类别，这样方可层次清楚、泾渭分明。

This group, which includes such famous names as Stegosaurus and Triceratops, is one of the two clades into which the dinosaurs are divided.

这一新物种属于鸟龙类。目前，恐龙被分为两大类，一类是鸟龙类，包括有名的剑龙和三角龙；另一类则是蜥龙类，包括有名的梁龙和暴龙。

Based on the requirement of internal trade , oversea merchant and musical instrument jobber , we offer two kinds of string, in the main is our factory band string(top grade parper box pack/ medium grade hang bags pack/ common plastic bags pack), the other is the copy of famous band stringsincluding Daddario/ Fender/ Martin/ Yamaha etc.

另外，我厂为针对于国内/国外贸易商，乐器批发商，大琴行的需求，推出套弦两大类，主类为本厂品牌包装弦(高档纸盒包装/中档挂袋包装/普通胶袋包装)，辅类为高仿琴弦(达达里奥/芬达/马丁/雅马哈/等等)。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。