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A detailed investigation was conducted in this paper on the flow asymmetry and its influencing factors over an ogive slender body model, incorporated with surface pressure measurement, skin oil flow pattern visualization, hot wire dynamic signal acquasition and other relevant approaches, in a low turbulence wind tunnel.The obtained test results demonstrate good accordance with those published abroad in the behavior, tendency of the flow asymmetry and the effects due to Reynolds number, incoming turbulence and model geometry etc.

本文通过模型表面压力分布测量、表面油流图谱显示和流场热线信号采集分析等手段，在低湍流度风洞中对细长拱柱体模型的大攻角流动非对称性及其影响因素进行了较为深入的研究，试验获得的细长体大攻角流动非对称性的特征、趋势以及Re数、湍流度和模型构型等因素对大攻角流动非对称性的影响规律，与国外资料上发表的结果是一致的。

This paper presents a new kind of bidirectional oil damper test rig.

介绍一种新型双向式油压减振器试验台。

The paper introduces a set of automatic test system mainly made up of PC and SCM, which can monitor the working state of long-distance oil-pipe centralized in the northern winter.

给出了一套基于VB6.0的以PC机和单片机为核心的自动监测系统，目的是对北方冬季的长途输油管线温度，压力及冰堵状态等工作状况的自动化集中监测。

College of Mechanical Engineering,Liaoning University of Chemical and Petroleum Technology,Fushun 113001,ChinaAbstract: The paper introduces a set of automatic test system mainly made up of PC and SCM, which can monitor the working state of long-distance oil-pipe centralized in the northern winter.

给出了一套基于VB6.0的以PC机和单片机为核心的自动监测系统，目的是对北方冬季的长途输油管线温度、压力及冰堵状态等工作状况的自动化集中监测。

In this paper, the effections on time skew estimation with non-ideal test signal are studied using spectrum analysis method, and an algorithm of time skew estimation is presented, the validity of the algorithm is verified by the computer simulation.

本文采用频谱分析方法，研究了非理想测试信号对时间偏差估计的影响，提出了一种新的时间偏差估计算法，通过计算机仿真数据验证了算法的有效性。

The systemic design including hardware design and software design,is introduced in this paper.Analyse the reconfigurable capability and give a concretely circuit and appearance design. We design the test program of instrument and two working model about on-line working and off-line working.It is expedient to operate by friendly user-machine interface.

本文详细的介绍了该仪器的整体设计，分析了其重构性能，给出了该仪器的具体电路设计及外观设计，系统的设计了该仪器工作的测试程序，并且设计了联机和脱机两种工作方式，均具有友好的人机界面，方便用户的操作。

All the models of the paper are effective by the test of their on-the-spot application.

上述模型经现场应用检验，都是有效的，计算结果是可靠的。

The equation of one dimensional mathematical model i human lung is built. The study is transformed from three-dimensional space one dimensional problem. This paper is base on the test of single breath washout. According the law of Pick and convction-difussion, we have t equation of one dimensional mathematical model.

论文以一次深呼吸氮清洗实验为研究基础，根据Fick定律和扩散对流定律得出一维一层喇叭口模型内气体传输和扩散方程，计算得出的模拟结果肺泡高坡区为一条水平直线，也没有明显的第Ⅳ区域。

It is antinomy to analysis factor effects according to first and second order term index of quadratic polynomial,so this paper put forward a new method to explain and evaluate factor effect by F test based on partial regression sum of squares.

传统的二次多项式回归方程在依系数正负、大小解释各因子效应时，常出现一次项与二次项结果相互矛盾的情形，而一般的SVR模型又不具解释性；本文从偏回归分析定义出发，建立了基于SVR以F测验解释、评价各因子相对重要性的方法。

So, this paper made orthogonal corrosion test of multi-factor.

因此本文开展了多因素的正交腐蚀试验。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。