查询词典 present-day

The present invention relates to a device (200) for electrically controlling shaping of a light beam.

本发明涉及一种用于电控光束整形的装置(200)。

At present the company's operating condition of the block have a good momentum of development.

目前公司的各块经营状况均有良好的发展态势。

Member(1981-present),President(1995-present,1985-87),Secretary(1984-85),Newsletter Editor(1982-84,1987-89),Corresponding Secretary(1989-1995)Office for Children,Southern District Council,Former Member of Board of Directors1992-93 Katharine Gibbs School,Boston,MA."Entree"Business Program,Dean's List 1971-75 Boston State College,Boston,MA.M.Ed.Early Childhood Education,Dean's List 1967-71 Albertus Magnus College,New Haven,CT.B.A.,major in English

这份求职信的笔者就针对要声请的这家化学公司专程在信中提到自己曾有在某化学公司工作过三年的经历，并且还凸起了自己的英语程度，最后还附上简历，这种写法对求职是十分有帮助的。

The present situation in flood-control and waterlog-drain are analyzed, and the present problems are pointed out.2 The causes and characteristics of the floods in Linyi are summarized, and the flood-control project and the waterlog-drain system in Linyi are also introduced.3 On the basis of summarizing the reconnaissance data of engineering geology, the engineering geology conditions of flood-control projects in the city of Linyi are studied, including the floodway project ,the hinge project, the Ge-Jiu Road Bridge project, the No.327 national highway road bridge project, the E-Huang Road Bridge project, and the Xiaogezhuang's chief inverted siphon project in the project of "Bifurcating the Su River to the Beng River".4 Seepage FEM analyses are carried out on the flood-control projects of Yi River, Beng River and Xiaosu River, respectively.

总结了临沂市洪灾成因及洪水特性，介绍了临沂市城市防洪工程和排涝工程。 3、在综合工程地质勘察资料基础上，分析了临沂市城市防洪工程的工程地质条件，包括：&分涑入祊&分洪道工程地质条件分析、&分涑入祊&枢纽工程地质条件分析、&分涑入祊&葛九公路桥工程地质条件分析、&分涑入祊&327国道公路桥工程地质条件分析、&分涑入祊&鹅黄公路桥工程地质条件分析、&分涑入祊&小葛庄总干倒虹吸工程地质条件分析。

The present paper outlines this theory and method,especially the Hamiltonian theoretical framework of nonlinear stochastic dynamics and control proposed and developed by the present auth...

本文概述该理论方法，特别是作者提出与发展的非线性随机动力学与控制的Hamilton理论体系框架。最后建议各领域随机动力学与控制研究者进行跨学科的合作研究。

Aortic stenosis may be present in varying degrees, classified according to how much obstruction to blood flow is present.

主动脉狭窄可以有不同的严重程度，分级依据血流受到阻碍的严重程度。

L Qualified faculty members can be drawn from the ranks of present and past club presidents, present and past R.I. officers and even non-past presidents with skills/experience in special areas

l 适任的教员可由扶轮社现任的社长及前社长、国际扶轮现任的及前职员中选任，以及甚至那些非前社长而在特殊领域有技巧/经验的人亦可担任

In this paper, the control factors of anaerobic digestion are discussed based on the summarization of present research literatures. The mechanism of the effect of pH and Eh on anaerobic digestion is analyzed with microbiology and biochemistry theory. The equation describing the effect of pH variation on Gibbs free energy variationΔGis derived using Nernst equation, and the specific control conditions in engineering are summed up according to the present research achievements.

在总结已有文献的基础上，讨论厌氧消化过程的控制因素，并利用微生物学和生物化学理论分析了pH值和Eh对厌氧消化过程影响的机理；利用Nernst方程推导出了描述pH值变化对吉布斯自由能变化ΔG的影响的方程式；并结合已有的研究成果，总结了实际工程中的具体控制条件。

The introduction describes the historical background and the investigation scope of the national theory of socialism with Chinese characteristics, elucidates the basis and significance of the present study, introduces the basic research status of this subject at home and abroad, and clarifies the theoretical framework, focus and innovation of the present study.

导论主要论述了中国特色社会主义民族理论的历史背景和考察范围，从而说明了论文选题的依据；同时也阐明了研究中国特色社会主义民族理论的意义，介绍了国内外对本课题研究的基本状况，说明了本课题研究的理论框架、重点和创新；导论还指出了本课题研究所采用的主要研究方法。

While in the case of Los Angeles all the three classes present their peaks at population of about 1,000 to 10,000 people/km2, New York and Atlanta seem to present a more logical pattern, with distributions of CIT decreasing and LIR and HIR increasing with increasing population densities.

图3 作为人口密度函数的商业、工业、运输等级分布呈现一种清晰高峰：洛杉矶、菲尼克斯和西雅图的人口密度高峰为10，000~100，000人/平方米；菲尼斯与西雅图的人口居住密度高峰少于100人/平方米；洛杉矶呈现其三阶级人口高峰约为 1，000~10，000 人/平方米。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。