国内外

Although there are some researchs on BaP carcinogenesis, its molecular mechanisms is still unclear.

尽管国内外专家学者对BaP的致癌进行了很多研究，但其分子机制仍不十分清楚。

As a result of its lower cost and simpler operation method,the mechanical connections promote the quality of concrete structural steel bar connection,accelerate the construction progress and reduce the project cost.

近年来，钢筋机械连接技术发展迅速，国内外均已开发出能充分发挥钢筋母材强度的等强级机械连接接头，施工速度快，成本低，从而为提高混凝土结构钢筋连接工程质量，加快工程进度，降低工程成本创造了条件。

Strong technical force, with the current domestic and foreign advanced production equipment and testing equipment, professional production is below 35 kV power cables and control cables, electrical equipment used wire and cable insulation overhead power lines, bare copper wire, bare aluminum, computer cables, Various types of wire cloth, with branch lines, cables and rubber products above the fire-retardant, fire-resistant products, fire-retardant fire-resistant communications with the soft power of the modern cable business.

技术力量雄厚，拥有目前国内外先进的生产设备和检测设备，是专业生产35kV及以下电力电缆、控制电缆、电气装备用电线电缆、绝缘架空电缆、裸铜线、裸铝线、电子计算机电缆、各类布电线、带分支电缆、橡套电缆及上述产品的阻燃、耐火型产品、通信电源用阻燃耐火软电缆的现代化企业。

Production of high purity level of fluorescence strontium carbonate, electronic-high purity strontium carbonate, barium carbonate, such as high purity level of electronic materials in powder technically in a peer-leading position, its level of quality has been engaged in domestic and foreign professional Long Lasting luminous powder, PTC, NTC thermistor, such as electronic components manufacturer of the high degree of recognition and trust and become their long-term, stable supplier.

生产的荧光级高纯碳酸锶、电子级高纯碳酸锶、电子级高纯碳酸钡等粉体材料在技术上处于同行领先地位，其质量水平受到了国内外专业从事长余辉发光粉，PTC、NTC等热敏电阻电子元件生产厂家的高度认同和信赖，并成为他们长期的，稳定的供应商。

The establishment of branch offices, to strengthen comprehensive management areas, the development of horizontal cooperation with domestic and foreign counterparts, the barter trade and other business.

分公司的成立，加强地区开展综合经营，发展横向联合，同国内外对口部门的易货贸易等的业务。

Basalt fiber is a kind of new material. Its production and application draw most attention at home and abroad.

玄武岩纤维是一种新型材料，其生产和应用已成为国内外目前研究的热点。

The research purpose, significance and current states of base isolation are introduced in this thesis.

本文在论述了建筑结构隔震研究的目的和意义以及国内外的研究现状之后，针对在多遇水平地震作用下的隔震效果与罕遇水平地震作用下最大。。。

After ten years of unremitting efforts, to a "customer first, integrity management, continuous improvement" business philosophy has been well-known domestic and foreign manufacturers and the vast majority of customers the trust and recognition, ten in Baoan District manhole Venture Road and opened two stores operating in 25 Baoan District 22 Products opened a distribution center (covering an area of 1800 square meters) and a production base, the register " East of the good "brand, the" East-kai "has become the most professionalProduct manufacturers, wholesalers, the most professional electronic instrument, Static distributors, retailers.

经过十几年的不懈努力，以"客户至上、诚信经营、不断进取"的经营理念，得到了国内外知名厂商和广大客户的信赖和认可，先后在宝安十区创业路和沙井开设了两家经营门店，在宝安25区22栋开设了一家产品配送中心(占地面积1800平方米)和一家生产基地，注册了"东之佳"品牌，使"东之佳"成为了最具专业的五金交电产品生产商、批发商，最具专业的电子工具、防静电产品经销商、零售商。

Canton St. baseman Trade Development Co., Ltd. is a production and management of joint-stock trading company, engaged in trade and development at home and abroad.

广州圣垒贸易发展有限公司是一家集生产和经营的股份制贸易公司，从事和发展国内外贸易。

By starting with the basic theory of metropolis ring spatial development and drawing the experience of domestic and foreign metropolis ring, the paper makes a discussion on efficiency of metropolis ring pattern, development phases and spatial structure. It points out the three main phases of metropolis ring development—rudiment, growth and autumn. From the spatial structure, the paper stresses that metropolis ring has the features of "ring and layer", the size of the "ring and layer" has the direct ratio with city size, convenient degree of external transportation and city radiant intensity. It owns the idea that adjustment and control of metropolis ring spatial development should reflect the following concepts, including globalization, regional integrated harmony, views of scientific development, harmonious society, consultative city planning, people-oriented principle, guided city planning and responded city planning.

从都市圈空间发展的基础理论入手，借鉴国内外都市圈发展的经验，本文对都市圈模式效应、发展阶段和空间结构进行了探讨，认为都市圈发展阶段主要分雏形期、成长期和成熟期三个阶段；从空间结构看，都市圈具有"圈层式"的特征，圈层的大小与城市规模、城市对外交通的便利程度、城市对外辐射强度成正比；都市圈空间发展调控应体现全球一体化理念、区域整体协调理念、科学发展观理念、构建和谐社会理念、协商规划理念、以人为本理念、导向型规划理念和规划应变性理念。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。