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Based on the theory of thin-walled curved bar, reasonable hypothesized a third-ord parabolic curve, the paper adoptes variational method on energy, taking the coupled relationship of the effect of curvature radius, bend, torsion and shear-lag into conside
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摘要文章以薄壁曲杆理论为基础，合理地假设了三个剪力滞翘曲位移函数，应用能量变分法推导出考虑曲率半径影响、弯、扭、剪力滞耦合的曲线箱梁弹性控制微分方程及其边界条件，为薄壁大曲率箱梁剪滞效应建立了理论分析基础。 |
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Based on the these advanced research equipments, the research institute can certainly complete several research items, make such as making-salt packer, dry concentrated equipments, the sense of vision examination technique by machine, etc. to be placed in
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相信以先进的科研设备为基础，研究所一定可以完成多项科研成果，使诸如制盐包装机、干燥浓缩设备、机器视觉检测技术等在国内处于领先地位，并且产生巨大的经济效益和社会效益。 |
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Based on the thousands of years' Chinese traditional craft and added to the fashion nowadays, the hand-made Mother Multi-layer Cloth Shoes are made by the master workers specially invited by the company who have been engaged in cloth-shoe making for quite
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母亲牌手工千层底布鞋,是在我国千年传统工艺的基础上,由我公司特聘从事多年布鞋专业的师傅,结合现代社会流行时尚加工而成. |
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Based on the three data which is not used by others, this paper gives a fair estimation about the main divarications and affirms that Dong Yue's copyright can not be negated indiscreetly.
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介绍了几则未被注意的材料，并以此为基础对一些主要分歧作出评析，进而认为对董说的著作权不能轻易加以否定。 |
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Based on the three-antenna method, the three-cable method has been devised to be applied to correcting for variations in cable transfer characteristic due to motion, flexure or aging.
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摘要根据三天线法的原理，提出了用三电缆线法来校正信号传输中由于电缆线的移动、弯曲或老化引起的电缆线传输特性的变化。 |
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Based on the time difference of arrival in time range and the direction of arrival of the emitter in space range, passive localization by single station is practicable, and also the localization of maneuvering target is practicable with the MGEKF algorith
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在建立目标机动模型与测量方程的基础上，运用修正增益扩展卡尔曼滤波(MGEKF)算法，实现对机动目标进行定位与跟踪。 |
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Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of Liujiaxia Reservoir, the streamwise variation and variation process of median diameter of bed load during silting and scouring periods o
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摘要根据刘家峡水库变动回水区的河段地形特征和历年河床质泥沙粒径级配资料，分析了变动回水区河段淤积和冲刷时，河床质泥沙中值粒径的沿程变化和历年河床质泥沙中值粒径变化过程，并指出粒径分布由粗变细的转折点在变动回水区寺沟峡峡口处。 |
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Based on the torque-speed characteristic curve of induction motors, analyses were done on changes in slip with an variation in frequency when an induction motor drives different kinds of loads, including those with constant torque, constant-maximum torque
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摘要以异步电动机机械特性曲线为基础，分析了变频调速异步电动机在拖动恒转矩负载、恒最大转矩负载、变转矩（非风机和泵类）负载、恒功率负载以及风机和泵类负载时，转差率随频率变化的规律。 |
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Based on the traditional transportation problem with the balance of production and sales, this paper puts forward a direct method to solve the transportation problem whose objective is to maximize the problem-the modified tabular method, so as to diminish
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从传统的产销平衡的运输问题出发，提出了目标函数为极大化型的运输问题的直接解法－修改的表上作业法，可直接求解此类问题，减少运算量，降低应用难度，并在求解过程中明确了求解方法所对应的实际问题的经济意义。 |
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Based on the traits and existent problem of water cycle in western China, the key scientific issues of water cycle in western China has been addressed in this paper.
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从中国西部流域水循环的特点及存在的问题出发，探讨了中国西部流域水循环研究基础科学问题。 |
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Based on the transfer-matrix method, the general expressions of equivalent four-terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of
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摘要基于传递矩阵算法，推导出了变截面杆扭转振动时等效四端网络参量的一般表达式，研究了带类余弦过渡段阶梯形变幅杆扭转振动频率方程与角速度放大倍数及外表面切向速度放大倍数等的关系。 |
