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By means of measurement and analysis of noise near certain asphalt-spreader's driver's ear and near-field noise of main noise sources, the noise source whose contributions to noise near driver's ear was rather strong was identified.
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摘要通过对某沥青混凝土摊铺机各主要声源的近场声和驾驶员耳旁噪声进行测试分析，识别出对驾驶员耳旁噪声贡献较大的噪声源。 |
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By means of measuring the difference in physical characteristic of rock body we could predict the geological condition that the gas power composes in, By means of measuring the position in three dimensional space we could determines the security thickness
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通过测量岩体物性差异预测瓦斯动力赋存的地质条件，通过测定物性差异体的三维空间位置可确定采矿作业的安全岩体隔离厚度，等等。 |
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By means of my own works, I offer my opinion and skill different from the traditional methods.
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于是我藉由创作，也要提出个人在水墨绘画上，不同于传统的观点和技法。 |
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By means of peasant household sample investigation method, the paper summarizes and analyses the situation and effect of Grain for Green Program in 5 counties of Zhangjiakou Chengde two cities of Hebei.
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摘要采用农户抽样调查方法，对河北省张家口、承德两市5县退耕还林实施情况与所取得的成效作概述与分析。 |
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By means of quality-based, credit-guaranteed.developing by innovation.of productes develop in mutiplica-tion and seriation.
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以质量为基础，以信誉为保证，以创新求发展，以规模取效益，不断开拓创新，使产品的种类向着多元化、系列化发展。 |
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By means of quantitative analysis and on the basis of analyzing the problems in the past 10 years in Hainan′s tourism, this article orientates the tendency of development of Haiman′s tourism again — the ecologically demonstrative resorts,from the aspects
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使用数量分析的方法，针对海南旅游业在过去10年发展中所存在的问题，从资源、市场、产品和促销形象四个方面对其开发思路和趋向做出了重新定位——生态示范性休闲度假地，以实现海南旅游业的可持续发展。 |
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By means of quantitative evaluation on each constitutional element in the system, the hierachical selection of object of study for product innovation shows clearly for designers the direction of product improvement.
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通过对系统内各构成元素的定量评价，有层次地选择产品创新研究对象，为设计人员指明产品改进的方向。 |
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By means of reasonable mixture of nutrition, it enables athletes to recover from sport fatigue very soon, so as to improve their athletic sports achievement.
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以期通过营养的合理调配使运动员能够尽快恢复体力，提高竞技体育的成绩。 |
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By means of researches and analyses on the causes of R&D investments on mainland by the businessmen of Taiwan, the qualities, types and the future trends of the R&D organizations, and so on in the manufacturing in Kunshan, this thesis combines some relate
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本文通过对昆山制造业台商在大陆研发投资的动因、设立研发机构的性质和类型、未来趋势等方面的调查与分析，并结合台湾方面的相关实证研究文献，描述和考察台商大陆研发投资的现状与特点，并探索台商集聚区未来吸引台商研发投资的目标和策略选择。 |
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By means of researching the meshing impact in the engagement of standard chain respectively with the spur toothed sprocket and the involute toothed sprocket, it has been discovered through analysis that by adopting the involute tooth for the sprocket coul
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通过研究标准链条分别与直齿链轮和渐开线齿链轮啮合的啮合冲击，分析发现在链轮上采用渐开线齿能减小链条与链轮啮合瞬间的法向冲击速度，进而降低链条与链轮的啮入冲击。 |
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By means of resistance and capacitance coupled negative feedback method to control the plasma discharge development process and prevent the transition from glow discharge to spark discharge in a pin-to-plate static air plasma generator, a stable alternati
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在静态大气压空气针－板等离子体发生器中，采用阻容耦合负反馈方法控制等离子体放电发展过程，成功地抑制了辉光放电向火花放电的过渡，产生了稳定的交流辉光放电。 |
