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By combining the linearization of the governing equation with the method of harmonic balance, we have established analytical approximate formulas for the period and the periodic solution.
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将控制方程的线性化与调和平衡法组合起来，建立周期及周期解的解析逼近公式。 |
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By combining two techniques, magnetic resonance imaging (MRI) and near-infrared optics, researchers may have designed a new, potentially more effective method for diagnosing breast cancer.
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通过联合使用两种技术，核磁共振(MRI)和近红外光学，研究人员设计了一种更加有效的诊断乳腺癌的新方法。 |
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By combining with sports training practice, the authors carried out a kinematical analysis on the characteristics of the takeoff preparation techniques for Fosbury style high jump in such 4 aspects as the athlete's run-up rhythm, takeoff leg support at th
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结合运动训练实践从运动员助跑节奏、倒三步起跳腿支撑、倒二步摆动腿支撑以及最后一步的起跳支撑4个方面对背越式跳高运动的起跳准备技术特点进行了运动学分析，总结出运动员采用步频型和步幅型、倾斜支撑型和屈腿支撑型等不同准备技术的特点。 |
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By combining with the machining needs of parallel machine tools, the working space and the law along with the variation of its autorotation angle were studied.
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结合并联机床的加工要求，研究了工作空间及其随自转角的变化规律。 |
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By combining, the Chicago exchanges, to be named the CME Group, will have average daily trading volume of close to nine million contracts a day, representing $4.2 trillion in notional value, or the amount of the underlying assets, not the value of the con
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通过合并芝加哥交易所，称为CME集团（芝加哥商业交易所），每日平均交易量接近九百万合同，此代表的是4万2千亿的名义价值或标的资产金额，而非合同本身价值。 |
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By companion matrix of polynomial gave one necessary and sufficient conditions of two polynomial having common roots, according to the above gives one method to solute dual higher order equation.
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摘要利用多项式的伴侣阵给出两多项式有公共根的一个充要条件，并据此给出解二元高次方程的一种方法。 |
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By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address.
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藉着公司政策，路由器接口总是被分配第一可使用的主人住址，而且工作团队伺候器被给最后一个可使用的主人住址。 |
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By compared with common underground wshp system, the new type wshp system was determined that it is not only actualized, but also could save underground water and be more economic.
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与常规水源热泵进行了比较后，认为特定地区异层储能型地下井水源热泵不仅具有实际可操作性，还可节约地下水资源。 |
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By comparing DC, AC and step-motors and analyzing the driving characteristics of the warp beam, a conclusion was drawn that a higher performance to price ratio could be got when a step-motor was selected for the warp beam.
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通过对直流电机、交流电机和步进电机的比较，结合织机的织轴驱动特点，得出选用步进电机有较高性价比的结论。 |
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By comparing a number of DMT data with parameters of lab tests, cone penetration tests and vane shear tests from several magnitude projects in Shanghai, the authors develop empirical formulae for calculating the bearing capacity of foundation soil from th
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利用上海地区部分重大工程中的扁铲侧胀试验数据，在与室内土工试验、静力触探试验及十字板剪切试验的试验参数相关分析的基础上，经数理统计后给出了上海地区用扁铲侧胀试验计算地基承载力的经验公式，并对其计算精度进行了评价。 |
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By comparing and analyzing the measured water level, three-dimensional velocity distribution and turbulent character around the bridge location, the calculation method for the backwater of skew bridges is improved and the reduction factor of block water w
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通过对桥位附近的实测水位与水流三维流速分布及紊动特性的比较分析，改进了计算斜交桥壅水的方法，并给出阻水宽度折算系数。 |
