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Ancient China made unique contributions to many areas of science including astronomy, calendric system, geography, mathematics, agriculture medicine and the humanities

古代中国在天文历法、地学、数学、家学、医学和人文科学的许多领域，都作出过独特的贡献。

The results demonstrate that the distributi on of Hg does not appear to be associated with any other elements, while S may b e capturer for Hg; As, Cr and Ni are elements controlled by pedogenesis; Cd and Pb are elements disturbed by anthropic contributions; Cu is mainly controlled by pedogensis and Zn is closely association with Mn oxides in soils.

元素的相关性分析和聚类分析结果表明 Hg相对于其他元素表现较独立， S对 Hg有一定的捕获能力；As、 Cr和 Ni是受控于成土母质的元素组合；Cd和 Pb是受人为污染影响较强的元素， Cu来源于地质成因的比例较大；Zn受控于土壤中锰氧化物粘粒。

Analysis is presented in later chapters and appendixes with new contributions to machine design, intelligent control, centerless grinding, fluid delivery, cost analysis, and thermal analysis for prediction and control of grinding temperatures.

分析是在以后的章节中提出，与机器设计，智能控制，无心磨，流体输送，成本分析附录新的贡献，并为预测和温度的控制磨削热分析。

Today, an interpretive centre, Reflections at Bukit Chandu, stands on the hill, commemorating the battle and the contributions of these men.

今天在这个山头上，成立了一个展示厅，用以纪念此战役以及在此战役中为国捐躯的抗日烈士们。

To that effect we have been in contact with the International Red Cross / Red Crescent and our contributions will be channelled through them.

为此，我们已经联系了国际红十字会和红新月会，我们的捐款将通过他们送到灾区。

I think they made very positive contributions to the relationship between the United States and China,Cheney said.

我想这样的交流会对增进中美两国关系作出积极的贡献，切尼说。

Under the leadership of governmental departments in charge, CLIMA will comply with national laws and regulations as well as the social morality; supply all-round services for its members; enhance the technological, economical and managing level of China's light industry machinery; and make contributions to the development and progress of light industry production and technologies.

在政府主管部门的领导下，遵守国家的法律、法规和社会道德风尚，全方位为会员服务，促进中国轻工机械行业技术、经济、管理水平的不断提高，为轻工业生产的发展和技术进步做出贡献。

The main contributions of this dissertationare as follow.1. The Gaussian approximation model for coherently distributed source is studied.

主要研究成果如下：1、研究了相干分布源的高斯近似模型。

Moreover, from the angle of exhibition managing enterprises and the practical manipulation of AES, the thesis writer has raised some exhibition marketing concepts, including personal service, brand consciousness establishment, media public relations, and marketing means innovation. The purpose is to provide some conferential contents for modern exhibition enterprises in our country in order to give contributions towards the development of exhibition marketing in China.

并站在会展经营企业的角度，结合AES的实际操作，提出了包括提供个性化服务、建立品牌意识、进行媒体公关及创新营销手段的会展营销理念，借此来为我国的现代会展企业提供一些值得参考和借鉴的内容，从而对我国的会展营销发展有所帮助。

This work contributed essentially to optimal planning of refinery management. A strategy for solving the decision problem of short—term refinery planning is proposed, that is, to obtain the real time information of unit operations and environmental conditions by means of computer simulation, to dynamically configurate and modify the decision model depending on both simulation and expert reasoning, to make decision analysis and short—term production plan with the aid of expert simulation system. In this paper, a new approach cellad ESDSS was proposed by integrating DSS and expert simulation system . As a case study of ESDSS, a so called RESDSS was constructed, which is composed of seven subsystems, namely: data base subsystem, model base subsystem, method base subsystem, knowledge base subsystem, experiment base subsystem, human computer interaction subsystem, and expert simulation executing subsystem. The main results and contributions of this work are as follows:(1) A novel approach of DSS named ESDSS was proposed, which integrates DSS and ESS.

本文关于炼油生产专家仿真决策支持系统原型的研究从炼油企业优化生产管理的角度出发，以&利用仿真技术获取装置操作和环境条件的动态变化信息，依靠专家方法仿真实现决策模型的生成和修改，凭借专家仿真决策支持系统辅助高层领导者实施决策分析和制定短期生产计划&作为炼油生产短期计划决策问题的求解策略，在综合考虑决策支持系统（Decision Sup-port Systems，简称DSS）和专家仿真系统（Expert Simulation System，简称ESS）特点的同时把这两个系统结合在一起而提出&专家仿真决策支持系统（Ex-pert Simulation Decision Support System，简称ESDSS）&这一新的构思。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。