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Coordinate Indexing of Subjects

主题词组配标引

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Some problems in controlled thesaurus indexing are pointed out: low indexing efficiency, relation net among the descriptors and new terms aren't developed, and uncertain coordinate indexing.

分析了建立情报检索系统时受控主题标引的不足之处:标引效率低、语义网得不到扩充、不一致的组配标引。

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The electric field lines coordinate method was employed to simulate the distributions of electric field, potential, charge density and Coulomb force exerted on the fluid in the wire-plane electrode system numerically.

文中利用场线坐标法对线&板电极系统的电场、电位及电荷密度的分布进行了数值模拟,得到了场域空间流体所受电场力的分布情况。

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We obtain two formulas about the covariant derivative of the coordinate functions on the unit sphere in Eucdidean space.

得到了欧氏空间中,单位球面上坐标函数关于某一特定标架场的协变微分的两个等式。

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And then with the coordinate transformation matrix analysis of the workspace, the author drew an axis cutaway diagram of the workspace.

然后借助坐标变换矩阵进行工作空间分析,绘制了工作空间的轴剖图。

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CNC Grinding Method of Formed Turning Cutter for Rollers by Using Floating Polar Coordinate

轧辊成形车刀的浮动极坐标数控刃磨方法

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On Coordinate Function and Mapping Methods of Base Map in Comprehensive Thematic Atlas

试论地理底图在编制综合性专题地图集中的协调功能与编制方法&以《甘肃省国土资源地图集》为例

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Plane wave solutions of biaxial crystal in principal axis coordinate system

双轴晶体中平面波解在主轴坐标系下的表达

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Based on the differential factor approach, several practical transformation formulae between plane coordinate systems together with their application areas are proposed in this paper. These formulae are: improved power series formula, Taylor series formula, and Newton's binomial formula.

本文利用微分算子的方法,提出了坐标系统转换的几种实用公式,即:改进幂级数公式、台劳级数公式、牛顿二项式公式及应用范围。

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The optimal indexes include the reserved energy, the dissipation energy, the eigenvalues of the closed loop system, and controllability and observability in the balanced coordinate.

优化指标包括系统的存留能量、系统耗散能、闭环系统的阻尼和平衡坐标下的可控可观性。

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The Coordinate Transform in Five-axes Numerical Controlling Machine Tools

五轴数控机床中的坐标变换

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Coordinate and drive weekly planning and manning level.

协调和推动生产周计划和人员计划。

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To draw or diagram; To connect the point by point coordinate values.

画或绘制; 逐点连接坐标值.

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Coordinate ordering and where necessary fabrication of prototype parts.

协调订购,必要时,制造样车零部件。

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Then all rats finished three tests, including Open Field Test, Rotarod and Maze experiment, mainly reflecting cognition ability, sport vitality and sport coordinate ability.

所有大鼠均做开阔场实验、转棒实验和水迷宫实验,主要反应大鼠认知能力、运动活力和运动协调能力。

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The kinematics of most of the machines are based on rectangular Cartesian coordinate system.

大多数机床的运动学都是基于直角坐标系统.

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The whole centrifugal pump system, including leading-in conduits, blades, pump housing, and discharging tube, was calculated using the multi-reference coordinate and standard k-ε turbulent model.

选用多重参考坐标系及标准k-ε湍流模型,计算对包括导入管、叶轮、泵壳及出水管在内的整个离心泵系统。

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Coordinate control system design of monoblock unit by the method of dyadic expansion and computer& aided design

用并矢展开法综合单元机组协调控制系统及计算机辅助设计

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