three-dimensional unit

Methods: A cervical spine model of three-dimensional unit was set up 11 different angles from 0 to 30 degrees were approached to observe the stress distribution of luschka joints and changes of distances between cervical transverse.

方法：通过建立完整的颈段脊柱三维空间有限元模型，对前屈、后伸0°～30°共11种不同牵引体位下的钩椎关节应力分布及横突位移情况进行分析。

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Three kinds of concatenating unit of different length are selected which are word, syllable and phone, taking into account the characteristic of multi-syllable and infinite-vocabulary in English.

就英语多音节和无限词汇的特点，选用了3种不同长度的拼接单元：单词，音节，phone。

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The mathematical model of steam vane is established with 2 × 3 degree nurbs method to improve the quality and efficiency of vane machining. The expression of three-dimensional point and unit vector matrix are put forward and the numeric show of vane is realized.

为了提高汽轮机叶片数控加工的质量和效率，用2×3次非均匀有理B样条方法，建立了叶片的数学模型，推导了其三维点和法矢量矩阵表达式，实现了叶片的数字化表示。

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The dynamic characteristics analysis is made for the derrick structure of the offshore drilling rig in some well drilling companies. This paper mainly deals with simulation and stability analysis and simplifies each member as three-dimensional beam unit with finite element method.

对在役海洋石油钻机井架进行了结构动力特性分析，并采用有限元法将钻机井架各杆件简化为空间梁单元，对钻机井架三维计算模型进行了离散，给出了模态分析和稳定性分析结果。

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Application of energy three-link method in the capacity expansion of crude distillation unit

能量三环节理论在原油蒸馏装置扩能改造中的应用

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Economic Analysis Method of Air-Conditioning System Using Three-operating Condition Heat-Pump Unit and Ice-thermal Storage Technique

三工况热泵机组利用冰蓄冷技术进行空调运行的经济性评价方法

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This text utilizes finite element method set up slope rock deep hole blasting models of some power station, use three-dimensional finite element entity unit model, and make time history analysis when going on of blasting earthquake.

并利用有限元方法建立了边坡岩石深孔爆破模型，爆破地震的产生过程进行模拟，获得距爆孔一定距离范围内岩体某点的加速度时程曲线，即取得了爆破地震波。

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After heat-moisture treatment, crimp radius decreased while crimps per unit length increased significantly and three-dimensional crimp shape became obviously.

经过湿热处理后，PTT/PET并列复合短纤单位长度内的卷曲数大幅度增加，卷曲半径减小，三维卷曲形态更加明显。

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In order to ISO-834 standard temperature-time to curve simulated fire ( high temperature), temperature calculation and mechanical analysis using the three-dimensional coupled thermo-mechanical unit of the large-scale finite element analysis software ANSYS.

以ISO-834标准温度&时间曲线模拟火灾（高温），采用大型有限元分析软件ANSYS中的三维热力耦合单元进行温度计算和力学分析。

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Characteristics Analysis of the Unit's Governing System of the Three Gorges Power Source Station

三峡电源电站机组调速系统的特点分析

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The primary sequence folds into three-dimensional structure, and then becomes a unit of biological molecular machine or other substructures.

蛋白质由一级序列折叠成三维结构，然后成为构建生物分子机器或其它子结构的单元。

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Three-coordinate Measuring Machine ( CMM), as quality inspection unit of FMS, has not in-line function.

作为FMS质量检测单元的三坐标测量机（CMM）多不具备进线功能。

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