At first, the three-dimensional vector potential and vorticity function are introduced, and the vector potential and vorticity equations are obtained in the case of arbitrary variation between density and temperature of water.

A three-dimensional vector, which consists of the β of bispectrum, Shannon entropy, and wave crest factor is the sensitive eigenvector for faulty insulator.

双谱幅值特征量β、波峰因子、Shannon熵组成的三维向量是绝缘子劣化的敏感特征向量。

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In this paper, expressions for the nine coefficients ( Euler's angles) of a three-dimensional vector during coordinate transformation have been derived by means of vector resolution;

本文利用向量分解的方法导出三维向量在座标转换中的九个系数（欧拉角）的表达式；

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With the application of field theories, processing methods of the power function, dam theories and engineering mechanics and three-dimensional vector, there is created space displacement field distribution model.

从场论的基本理论出发，应用幂函数处理方法，并结合坝工理论和工程力学知识，通过引用空间三维坐标向量，建立空间位移场的时空分布模型。

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Rank-1 ambiguity involved in three-dimensional vector sensor

三维正交矢量天线导向矢量的秩-1模糊

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Three-Dimensional Vector Velocity Measurement in Optical Doppler Tomography

光学多普勒层析三维矢量测速方法研究

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A submerged buoy system for ocean vector sound field measurement is designed with the three-dimensional vector sensor as a core.

以三维矢量传感器为核心，构建海洋矢量声场观测潜标系统。

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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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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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In this paper, the analytic representation question of that two three-dimensional projective pictorial illustration turn into perspective is investigated, on the fundation of the result and result, the some important conclusion have been got.

本文在高、唐研究成果〔1〕、〔2〕的基础上，探讨了两个三维射影图形成透射的解析表示问题，得到了一些重要结论。

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The Three-Dimensional Turn of Marxist Study of Humanity

马克思主义人学的三重转向

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The method of three optical channels is used to design the optical system. The key technologies of multi-threading, video collecting, image processing and the control of single-chip microcontroller and stepping motors are used to realize three-dimensional real time automatic tracking of pupil.

采用先进的三光路设计方法实现光学系统的设计，采用多线程、视频捕捉、图像处理、单片机及步进电机的控制等关键技术，实现了瞳孔的三维实时自动跟踪。

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The system provides a hardware platform not only for real-time measurements of the relative position between ships and offshore platforms, but also for achieving the goal of identifying and calculating three-dimensional position during vessel tracking process.

该系统为船舶与海洋平台间相对位置的实时测量，以及在船舶跟踪过程中实现对跟踪目标的识别及三维位置的计算提供了硬件平台。

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Motion capture records the information of motion can be processed by computer with motion sensors, optical devices tracker etc. Processing the original motion data to restore the three-dimensional information of the tracking.

运动捕捉技术是利用运动传感器、光学设备等跟踪器记录计算机可处理的运动数据，还原运动物体的空间三维信息的技术。

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In order to improve the complex high-dimensional state space search efficiency, and to obtain better tracking results, the parallelism of quantum computing will be introduced to the immune cloning algorithm among is used to solve the three-dimensional human motion tracking problems.

为了提高对复杂的高维状态空间的搜索效率，求得更优的跟踪结果，将量子计算的并行性引入到免疫克隆优化算法之中，用于求解人体三维运动跟踪问题。

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Proposed a three-dimensional human motion tracking method based on Quantum-Inspired Immune Cloning Algorithm ( QICA).

提出了一种基于量子免疫克隆算法的三维人体跟踪方法。

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Three-dimensional human motion tracking is an important research domain in machine vision field in recent years.

三维人体运动跟踪是近年来机器视觉领域一个十分重要的研究方向，其应用领域相当广泛，如人机交互、智能动画合成、视频监控等。

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Three-dimensional head pose tracking using registration and multi-scale appearance model

基于注册和多尺度表观模型的三维头部跟踪

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Based on the three-dimensional servo tracking system of carrier-based satellite antenna, the azimuth angle, elevation angle, and polarization angle of antenna were controlled through two-dimensional motor driver mechanism.

基于舰载卫星天线三维伺服跟踪系统，通过二维电机驱动机制控制天线方位角、俯仰角和极化角。

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Observability of Satellite-to-Satellite Three-Dimensional Passive Tracking Using Bearings-Only Measurements electric triangular illuminated indicator for vehicles with trailers

单星对卫星仅测角被动跟踪的三维可观测性研究（英文）电动照明三角指示器，带施车车辆用

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