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A material that can be stimulated electrically to conduct either more electricity or less is sandwiched between the two sets of wires.
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在这两组导线的中间，夹著一种透过电的激发即可以改变电流传导能力的材料。 |
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A material which has the property of elasticity will return to its original size and shape when the forces producing strain are removed.
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参考译文：如果把产生应变的力去掉，具有弹性的材料就会恢复到它原来的体积和形状。 |
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A material whose resistivity is between that of conductors and in sulators, and whose resistivity can sometimes be changed by light, an electric field or a magnetic field.
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一种电阻率介于导体与绝缘体之间的材料,并且其电阻率有时会受光、电场或磁场的影响而变化。 |
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A mathematic model is established by adopting orthogonal polynomial regression method to study the effects of temperature on hypha growth rate, development, and stroma differentiation, growth, and yield of Cordyceps militaris.
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为了实现蛹虫草的工厂化生产，采用正交多项式回归分析法构建数学模型，揭示了温度对蛹虫草菌丝生长速率、菌丝长势、菌丝转色、子座分化、子座生长及产量的影响规律。 |
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A mathematical measure of the sensitivity of rates of return on a portfolio or a given stock compared with rates of return on the market as a whole. A high degree of such sensitivity indicates moderate or high price volatility.
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证券的β因素一种数学手段，对某有价证券或某种给定股票的回报率与整个市场回报率相比的敏感性进行测量。这种高程度敏感性表明其价位处于中度或高度易变状态 |
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A mathematical method for optimum fitting the measured lift data of the non-symmetrical cam profile by using the least squares and the floating orthogonal lattice algorithm is presented.
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本文采用最小二乘法和浮动正交网格法对非对称型配气凸轮的实测升程数据进行了优化数学拟合。 |
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A mathematical model for gear shaping was presented for machining of externally meshed non-circular gears with shaping procedure in terms of the positional relationship between the tool (cutter) and gear's pitch curve.
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摘要根据范成法加工外啮合非圆齿轮时刀具和齿轮节曲线间的位置关系，提出了插齿加工的数学模型。 |
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A mathematical model for the polycondensation process in PET production is developed.
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介绍了一个工业化聚酯(PET)生产过程中的缩聚模型。 |
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A mathematical model in the grinding technology of explosion-proof surface is worked out to find out vibration characteristics, amplitude and phase, and educe the relation curve between shape error and technical parameter.
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进而讨论箱体零件加工工艺过程误差转换模型、形状精度特征、传递图、描述方程、误差转换结构图；提出防爆面磨削工艺系统的数学模型；求解出振动特性、幅值和相位，得出了形状误差与工艺参数的关系曲线。 |
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A mathematical model of automatic generation control for hydroelectric station is established, and a solution method to AGC mathematical model on multi-nozzle scoop-type turbines is proposed.
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摘要建立了水电站厂内自动发电控制的数学模型，提出一种针对多喷嘴水斗式水轮机组的自动发电控制模型求解方法。 |
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A mathematical model of the vibration at the upper segment of a pile when there exist severe defects is put forward based on theoretical analysis, and the curve characteristics of its low strain test is described according to engineering practice under co
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摘要从理论上给出了当基桩存在浅部严重缺陷时，在受到瞬态激振力的情形下，桩体上段振动的数学模型，并结合工程实践，描述了其低应变实测曲线的特徵。 |
