代表性的

Effect of several collectors on fersmite artificially synthesized under the condition of variable pH values and dosages were studied. The collecting characteristic of several representative collectors such as benzyl arsionic acid,α-styrolphhosphonic, diphosphonic acid, cyclic alkyl hydroximic acid and C(subscript 7-9) alkyl hydroximic acid was researched.

研究了几种捕收剂在不同pH值和不同用量条件下对人工合成的铌钙矿的捕收效果，考察了苄基胂酸，苯乙烯膦酸，双膦酸，环烷基异羟肟酸，C(下标 7~9)烷基异羟肟酸等几种代表性的捕收剂的捕收性能。

Although many scholars had attempted to define it, the typical definitions of niche are Grinnell's space niche, Elton's functional niche and Hutchinson's hypervolume niche; Niche metrics include niche breadth, niche overlapping, niche volume and niche dimension, among which niche breadth and niche overlapping are two important indexes that can be used to characterize a species niche and the relationships between species niches.

许多学者都试图给生态位下定义，但最具代表性的当推Grinnell、Elton和Hutchinson分别给出的&空间生态位&、&功能生态位&和&多维超体积生态位&定义；生态位测度包括生态位宽度、生态位重叠、生态位体积及生态位维数等，其中生态位宽度和生态位重叠是描述一个物种的生态位以及物种生态位间关系的重要指标。

Based on a survey on exotic invasive plants of Shenzhen's green space ,this paper confirms that Mikania micrantha and lpomoea cairica are the most harmful exotic plants in the city.

通过对深圳市具有代表性的公共园林绿地中的外来入侵植物的调查，确定薇甘菊和五爪金龙为深圳市为害最为严重的外来入侵植物。

Hardy was an excellent novelist in the end of 19 century and Tess of the d'Urbervilles was the most representative novel of his . It narrated the short and misfortunate life of a rural woman .

德伯家的苔丝》是19世纪末英国杰出现实主义作家哈代最有代表性的小说，它用史诗一般的文字描写了贫穷的农家女子苔丝短促而不幸的一生。

In the same time, he focused on how to gain insight to be a Buddha and how to use the enlightenment to get the method of moksha.

禅宗六祖惠能（638-713）与天台智者大师两人出生正好相差一百年，惠能是中国禅宗史上最具代表性的禅师，也是佛教史上&教外别传&的传奇，开创佛教中国化的关键人物，强调顿悟成佛与识心见性即是解脱的禅法。

Our aim is to develop a system able to distinguish musical styles from a symbolic representation of a melody using musicological features: melodic, harmonic and rhytmic ones.

我们的目标是建立一个能够识别系统由具有代表性的音乐风格的乐曲以musicological特点：优美、和谐、rhytmic的。

Then according to the status quo and result of investigation, it summarizes six typical problems and does research on the deep reasons, including expert faith, hongbao phenomenon, nontransparent charging, bad service, expensive and rare registration and bad relationship between the hospital and patient

然后，根据现状与调查的结果，提炼出了&专家迷信症&、&红包现象&、&收费严重不透明&、&对恶劣服务的逆来顺受&、&挂号难，挂号贵&、&医患关系紧张&等六类具有代表性的问题，并进行了较为透彻的原因分析。

Hong Young YAN pointed out, ibid., squids and octopi are the two major cases of cephalopod. Squids are found everywhere in the five oceans, and never observed as endangered under human's mass hunting and the natural enemies' threat, which means they must be in possession of fine "sense" to protect themselves from dangerous environment.

严宏洋指出，乌贼和章鱼是头足类动物最具代表性的两大族群，乌贼分布全球五大洋，且在人类大量猎补及天敌捕食的情况下仍未显濒绝，显示它们应有优良的「感觉系统」，能在危险的环境压力下繁衍无碍。

In this doctoral dissertation, the modes of occurrence of about 30 elements and their combination with macerals and minerals in the coals from 10 typical coalfields in China are systematically researched by sink-float tests and petrological methods based on the investigation to the concentration distribution of trace elements in Chinese coals.

本文从分析中国煤中微量元素含量分布的基本特征出发，选择了中国10个有代表性的煤样，通过浮沉试验和煤岩分析等手段，系统地研究了中国煤中30余种微量元素的赋存状态，主要是这些元素在各种煤岩组分中的分布特征。

To the end of the second century B.C., a period dominated by three playwrights of New Comedy and Roman Comedy, that is, Menan-der, Plautus and Terence.

第二章所探讨的内容是公元前4世纪末至公元前2世纪末长达两百年的喜剧历史，涉及到了新喜剧和古罗马喜剧的三位代表性的作家米南德、普劳图斯和泰伦斯。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。