有四种

My company can provide pesticide, medicine, veterinary medicine intermediates, have 48 kinds of products (p-Bromo-p-Bromotoluene bromoform 1 - bromo-heptane Triethyl Citrate 1,2,3 - three Bromopropane 3 - Chlorine -4 - fluoro bromobenzene Bromotoluene ethylbenzene 4 - bromo -2 - bromo-ethyl-Chloroaniline 2 - bromo--5 - chloro-toluene 3 - bromo-C methyl 1,6 - dibromo-hexane 1 - bromo --4 - p-methoxy benzaldehyde o-bromo-acetic acid propyl bromide p-fluorotoluene dodecane four bromoethane of iodine bromide toluene tert-butane Tributyl Citrate 2 - bromo-p inter - Hydroxybenzaldehyde bromine butane 2 - bromo-propionic acid bromide veratryl aldehyde inter-bromo-trifluoro-n-hexane of toluene on Bromoxynil Bromotoluene toluene ethylbenzene o-bromophenol bromide Cyclohexane Cyclopentane bran bromate bromide Malay Dibutyl Ethyl Lactate Propylene between bromine bromine bromine between aniline o-anisidine o-fluorophenol difluorobenzonitrile to aminobenzaldehyde Bromotoluene aniline on Bromobenzaldehyde Bromotoluene acid) expressed the hope that customers contact us!

我公司可提供农药，医药，兽药中间体，有四十八种产品(对溴苯酚对溴甲苯溴仿 1-溴庚烷柠檬酸三乙酯 1，2，3-三溴丙烷 3-氯-4-氟溴苯对溴乙苯 4-溴-2-氯苯胺溴乙酸乙酯 2-溴-5-氯甲苯 3-溴丙酸甲酯 1，6-二溴己烷 1-溴-4-硝基苯邻甲氧基苯甲醛溴乙酸丙酯对氟甲苯溴代十二烷对碘甲苯四溴乙烷溴代叔丁烷柠檬酸三丁酯 2-溴氯苯间羟基苯甲醛溴丁烷 2-溴丙酸黎芦醛溴已烷间溴三氟甲苯对溴苯腈对溴乙苯邻溴甲苯溴代环已烷溴代环戊烷糠溴酸马来酸二丁酯溴丙烯乳酸乙酯间溴苯胺间溴苯甲醚邻氟苯酚邻氟苯腈对氨基苯甲醛对溴苯胺对溴苯甲醛对溴苯甲酸)希望广大客户与我司联系！

During the Northern and Southern Dynasty (420-589 AD), a similar instrument with a crooked neck and four or five strings was introduced through the Silk Road from little Asia, known as the Hu Pipa (Hu stands for "foreign" in Chinese), which was played horizontally with a wooden plectrum.

到了公元五、六世纪随着中国与国外民族文化交流的加强，从西域即中亚地区传入一种曲项琵琶，当时称作"胡琵琶"。其形状为曲颈，梨形音箱，有四柱四弦。横抱琵琶用拨子演奏。

The invention concerns an artificial block comprising a central core (1) having first (11) and second (12) opposite surfaces each provided with an anvil-shaped side leg (21, 22) with a table (21A, 22A), two sloping sides (21E, 21G; 22E, 22G) and two side surfaces (21B, 21C; 22B, 22C), the tables of said side legs being arranged parallel to said first and second opposite surfaces of the core, the inclined sides of said side legs resting on third (13) and fourth (14) exposed opposite surfaces of said core, said core having fifth (15) and sixth (16) surfaces each provided with side legs and front legs shaped like a truncated pyramid with four side surfaces and one front surface (33) parallel to said fifth and sixth surfaces of the core and to the side surfaces of the side legs.

一种保护层块料，包括一个中心核体(1)，有相对的第一面(11)及第二面(12)，每一面上各有一个砧状侧凸起(21，22)，这两个侧凸起各有一个台面(21A；22A)、两个斜面(21E，21G；22E，22G)和两个侧面(21B，21C；22B，22C)，所述台面相互平行，而且平行于所述中心核体的相对的第一面及第二面，所述侧凸起的斜面支撑于所述核体的相对的可见的第三(13)和第四面(14)。所述核体还有相对的第五(15)和第六面(16)，其上各有一个锥台状的前凸起，该前凸起有四个侧面和一个前表面(33)，该前表面平行于所述核体的第五和第六面，还平行于侧凸起的侧面。

Our company has strong technology power and comprehrnsive econmic streng th Our company covers an rea of 20 Mu, owns workshop 8000m 2,safe warehouse 5000m 2 ,fixd assets 15.6 million RMB and 160 employees.The company Hasintroduced a set of Japan-made L-440 four four -colored offset lithograph machine ,forming clor-printing,lustering ,calendaring and various complete colored RMB.In addition, we also provide a variety of colorprinting packages and advertisement samples,painting albums and A, B , C , E , four konds of corrugated paper productions and other services.

企业占地面积20亩，生产厂房8000平方米，另外有5000平方米安全仓库，拥有固定资产1500万元，职工人数160人，全套引进日本L-440四色胶印机一套，形成了色印、上光、压光及各种彩盒包装全套生产配套系统，年销售能力6000万元，利税250万元，可提供各种彩印包装、各种广告样本、宣传画册及A、B、C、E四种瓦楞等生产和服务。

Their four suits- spades, hearts, clubs, diamonds- were Grail-related symbols that came directly from Tarot's four suits of swords, cups, scepters and pentacles.

玩纸牌游戏的现代人，有多少人会想到纸牌的四种花色--黑桃、红桃、梅花及方块--是与圣杯有关的符号，并且它们的前身，直接脱胎于占卜纸牌，即印有宝剑、金杯、王杖与五角星形符号的四组牌。

Langdon often wondered how many modern card players had any clue that their four suits—spades, hearts, clubs, diamonds—were Grail-related symbols that came directly from Tarot's four suits of swords, cups, scepters, and pentacles.

兰登常常想，玩纸牌游戏的现代人，有多少人会想到纸牌的四种花色--黑桃、红桃、梅花及方块--是与圣杯有关的符号，并且它们的前身，直接脱胎于占卜纸牌，即印有宝剑、金杯、王杖与五角星形符号的四组牌。

In negotiating: Right processing cultural differenceThe international business negotiation process includes four stages generally:Talking about some topics unrelated with the work; Communicating some information tatted;执行utive persuading; making allowances and getting to the agreement negotiator signing the contract The people usually have the expectation of the process of the business negotiation before getting into the formal negotiation This kind of expectation usually affects how to control the negotiate process and how to choose the negotiate strategy.

因此，在国际商务谈判中，对时间观差异应有所准备。谈判中：正确处理文化差异国际商务谈判过程一般包含四个阶段：一是寒暄，谈一些与工作不相干的话题二是交流与工作相关的信息；三是进行说服四是作出让步并最终达成协议。进入正式商务谈判之前，人们一般都对商务谈判的进程有一种预期。

There is a case it is required, such as the yellow pages telephone directory printing color, you need to jump a white, that need to print color of the zone, and then reprinted four color, of course, if other non-ferrous materials business card printing and membership card, you don't want the four-colour stacks up, and also need to be printed on white.

有一种情况下需要，比如在黄页电话簿上印彩色，就需要先印一套白，包含需要印彩色的区域，然后再印四色，当然，如果在其它有色材料上制卡和会员卡制作，又不希望四色叠上去，也需要先印白色。

Seed-flax variety CI. 2446 was planted at four different dates (Oct. 5, Oct 20, Nov. 5, Nov. 20) and four different densities (2250, 1800, 1350 and 900 plants/m^2) to study the effects on the fiber cell development at different growing stages. All traits, except the phloem thickness, of fiber cell showed no significant difference among different sowing densities.

以种子用亚麻CI2446为材料，分四种植期（10月5日，10月20日、11月5日、11月20日）及四种密度（2250、1800、1350、900株／平方公尺），以探讨其对种子用亚麻在不同生育期间纤维细胞发育之影响，由结果得知播种密度除对靱皮部厚度有显著差异外，对纤维细胞之其他性状影响并不显著。

Firstly it takes for example the lack and loss of taking student as the main of education in such respects as seeking short-term success and quick profits and attending to trifles and neglecting essentials in siting Chinese teaching goal; paying too much attention to the basic knowlegde and skill and ignoring the humane intension; stressing teacher" s instruction to student"s participation; the long unimplemented position of student as main body in teaching relation.

本文对此从以下四个方面进行了论述：首先从当前中学语文教育的现状出发，列举了主体性教育缺失的四种现象，主要有在语文教育目标的定位上急功近利，舍本求末；在语文教学内容上重&双基&教学，忽视人文性内涵；在语文教学的方法上重教师讲授轻学生的主动参与；在师生关系上学生主体地位没有真正得到落实。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐