Specially set structure to fit the cutting knife and cutting height, contributing to simple and accurate travel adjustment.

As the method of high accurate grating adjustment is used, this method has many advantages to the pure mechanical one.

由于采用高灵敏度基准光栅调节的方法，比螺旋测微器等纯机械方法具有众多优越性。

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Accurate Measurement Adjustment Technology of Boiler Ceiling Rigid Suspension Hangers

锅炉炉顶刚性吊架精确测量调整技术

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Adopting uniaxial adjusted cylinder for fast and accurate volume adjustment.

采用单轴调节汽缸，能迅速精确调节所需之容量。

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Therefore visual focusing cannot be accurate without adjustment.

如不调整，视力对焦就不可能精确对焦。

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According to the synchronous signal of the measuring and control information, using high-precision timer on information measuring and control card, the accurate adjustment of exposure time is carried out through correction of exposure signal of the camera by software with video sampling card.

根据测控信息同步信号及其对视频采集时刻的规定，以测控信息采集卡上高精度定时器为时钟，由视频采集卡通过软件修正摄像机曝光信号，实现对曝光时刻的精密调节。

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This paper analyses how the down-link signal strength is affected by non-properly adjustment of pointing and polarization angle of receiving antenna. This paper also introduces the method of accurate adjustment with the aid of indication of instruments.

定量地分析了接收天线的指向和极化倾角出现偏差时对下行信号强度的影响，并介绍了借助于仪器对接收天线进行准确调整的方法。

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How to make a fast and accurate adjustment of the original program in order to address the variety of project logistics and optimize these adjustments effectively is the key to the success of the implementation process.

如何准确迅速的对原方案进行调整，应对建设项目物流的多种不确定性，并对这些调整决策活动进行有效地优化，是建设项目物流整体方案实施过程成功与否的关键。

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Air Pollutants Change in Shenzhen, China in 2002-2005

2002&2005年深圳市空气污染物浓度的动态分析

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Urbanization Effect on Air Temperature Change in Lanzhou City for Recent 60 Years

城市化对兰州气温变化影响的定量分析

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Reanalysis of Surface Air Temperature Change of the Last 100 Years over China

近百年中国地表气温变化趋势的再分析

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Study on Air Quality Change Trend and Improvement Approach in Lanzhou City

兰州市空气质量变化趋势及改善途径分析

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A diagnostic method of the air temperature change trend in China

我国气温变化诊断方法探讨

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The paper calculates the concentration of HCHO respectively in two kinds of airflows, analyzes the distributions of the concentration field, non-dimensions concentration field, and air change efficiency, and compares the results of calculation with others using CFD method.

利用CFD软件模拟计算了两种气流组织方式下室内甲醛的浓度场，分析了室内浓度场、无因次浓度、空气交换效率的分布规律，并与传统计算方法的结果进行了比较。

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Starting from sustainable development of city, this paper analyzes structuring framework of modern ecological city. According to demand of ecological city construction, this paper makes a discussion on vegetation, air change, selection of tree species, etc.

以城市可持续发展为出发点，分析了现代生态城市的构建框架，按生态城市的建设要求，从城市的植被、空气变化、树种选择等方面进行了探讨。

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However, the air change in the amount of information in the underwater acoustic communication, time-varying, frequency change and other characteristics caused by inter-symbol interference, seriously affecting the quality of communication.

但是，水声通信中信息量的空变、时变、频变等特性引起的码间干扰，严重影响了通信质量。

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Preliminary results indicate that air change flow, which is calculated by analytic solution and difference method, has no significant statistical difference without people inside microenvironment.

结果表明，没有人存在下，用箱子模式的解析解法和差分法计算的新风量值没有明显的统计差异；

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When human breathing impact must be considered with people inside microenvironment, all the derivation formulae could be used to calculate air change flow.

微环境内有人时必须考虑人释放的影响，这样箱子模式的各种推导公式都可以计算新风量值，且结果准确，准确度高。

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British boy Liam Derby Xia contracts the rare lung air change insufficient illness.

英国男童利亚姆？德比夏尔患有罕见的肺换气不足病症。

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Predicting the volume of natural air change in underground buildings by the Monte Carlo technique

地下建筑自然通风量的蒙特卡罗模拟

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Evaluating the performance of science and technology plan projects is beneficial to optimizing the allocation of funds, reorienting science and technology plans and research institutions, and improving management level of science and technology plan and efficiency of research.

科技计划项目绩效评价有益于优化资金分配，调整科技计划和研究机构的方向，提高对科技计划的管理水平和科学研究的效率。

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