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The variable parameter taper equation, which was suitable to Pin us elliottii plantation form changing law, was built with the sample wood datas on the basis of the research of about form shape in the tree mensuration, one-dimensional volume table, two-di
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摘要在树干形状研究的基础上，利用样木资料建立了一个适合湿地松人工林干形变化规律的可变参数削度方程，据以编制了一元材积表、二元材积表、一元材种出材率表和二元材种出材率表，这些数表经检验误差较小，精度较高，可在林业生产上推广应用。 |
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The variable structure control problem of singul ar distributed parameter system is studied and uniformly convergence is consider ed.
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研究广义分布参数扰动系统的变结构及其一致收敛问题。 |
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The variable weather gave us a lot of trouble.
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多变的天气给我们带来不少麻烦。 |
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The variable-focus liquid microlens based on electrowetting on dielectric (EWOD), which has the outstanding advantages of simple structures, low power dissipation, easily tunable of focal length, etc., is most attractive.
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在提出的各种新型的可变焦微透镜技术中，基于介质上电润湿的微流体透镜由于其结构简单、功耗低、调节焦距方便等众多突出的优点而被人们所重视。 |
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The variable-frequency of the fan control is realized by using the method of total volume air control of VAV systems, at the same time, fuzzy-control is applied in terminate controller to make the system get a certain energy consumption.
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通过引入变风量空调系统总风量控制方法的设计思路对风机进行变频控制，同时对末端控制器采用模糊控制技术，使得整个空调系统达到一定的节能目的。 |
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The variables of initial evaluation, which were able to predict the later mental DQ best, were the DQ of the General Development of CCDI and the number of signs of mental deficiency.
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在相关变项中，以「学龄前儿童发展量表」之「一般发展发展商数」及智能不足现象之数目最能预测其智能商数。 |
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The variables we chose in this paper included: population density (people/km2)、population ratio of people with college or above educational levels、 population ratio of elder people over 65 years old 、population ratio of people of agriculture workers and t
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研究变數包括人口密度（人／平方公里）、专科以上教育程度人口比率、65岁以上人口比率、农业人口比率与每10万人西医人數，并使用集群分析进行研究。 |
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The variant component for the example template development board.
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开发板样例模板的可变组件。 |
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The variation and profile of the temperature of a tube shaped electric heat element were analyzed numerically under different compaction condition using CRANK-NICLOSON method.
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本文以CRANK-NICLOSON隐式方法数值求解了一截面为圆形的电加热元件在不同压紧状态下通电后的温度变化和温度分布情况。 |
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The variation characteristics of mineral components, mineralogical features and surface of activated palygorstite clay as well as the related factors are summed up in this paper.
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坡缕石粘土酸化机理及影响因素研究对其高效利用具有重要理论意义和实践价值。 |
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The variation curves of yield and grain protein content with soil water content (or nitrogen) were convex in high fertility (or soil water content were 70% and 80% of field maximum moisture capacity), and the soil water content (or nitrogen levels) before
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在高肥和土壤水分含量为田间最大持水量的70%和80%条件下，产量和蛋白质含量曲线均为凸型，蛋白质含量达到最大值之前对应的土壤水分含量为高肥条件下产量和蛋白质含量协同变化区间；产量达到最大值之前对应的施氮量为土壤水分含量为田间最大持水量的70%和80%条件下产量和蛋白质含量协同变化区间。 |
