查询词典 reciprocating motion

Reciprocating piston pump is the use of the reciprocating motion of the pump for the transmission of liquid through the piston back and forth movement of the energy directly to the form of hydrostatic transmission fluid.

往复泵是利用活塞的往复运动来输送液体的泵，靠活塞的往复运动将能量直接以静压能的形式传送液体。

A projection on a machine part, such as a pawl for controlling the motion of a ratchet wheel in a watch escapement, that engages the teeth of a ratchet wheel to convert reciprocating motion to rotary motion or vice versa.

棘爪机器部件上的一个突出部分，例如在一个观察棘轮装置中控制棘轮运转的棘爪，用来衔接棘轮的齿，以将往复运动转换为旋转运动；反之亦然

A projection on a machine part,such as a pawl for controlling the motion of a ratchet wheel in a watch escapement,that engages the teeth of a ratchet wheel to convert reciprocating motion to rotary motion or vice versa.

棘爪机器部件上的一个突出部分，例如在一个观察棘轮装置中控制棘轮运转的棘爪，用来衔接棘轮的齿，以将往复运动转换为旋转运动；反之亦然到中国译典经典版本中查找关于pawl的最新解释和例句。。。。

Puts forward a novel method that is called the method of pseudo base point, which is much simpler than the classic methods when used for analyzing composite motion of rigid multi bodies if the convected motion is planar motion and the relative motion is rectilinear motion.

首次提出用伪基点法进行多刚体系平面复合运动的速度和加速度分析，此法对牵连运动为平面运动、相对运动为同平面直线运动的问题求解比经典方法简便得多。

Furthermore, a motion estimation technique for sequential thermal images is presented which measures the parameters of global motion in the image plane due to zoom and pan of the camera or the process of the vehicle, and a motion compensation interpolation technique is also presented which can compensate the global motion. The algorithm is based on a three-parameter model for motion description, and some improyement is given in this method. Good results are shown in the computer simulation experiments.

在研究了帧内编码的情况后，本文进一步分析了序列图象的特点，并对由摄象机运动和车辆行进所造成的全局运动进行了运动估值和补偿研究，对现有的三参数估值算法进行了分析和改进，推导出热图的序列图象的平移及缩放的运动估值与补偿的公式，通过计算机模拟进行了全局运动的估值和内插实验，获得了较好的结果。

This paper discusses the calculation formula of outline for disc cam about roller follower of linear motion along the axis,it analyses the maximum angle of pressure and position for disc cam,from several ordinary motions of follower constant speed motion,constant acceleration and constant deceleration motion,simple harmonic motion and pendulum motion.

从从动件几种常用运动规律—等速运动、等加速等减速运动、简谐运动和摆线运动入手，讨论了对心直动滚子从动件盘形凸轮廓线长度的计算式，分析了盘形凸轮的最大压力角及其位置。

Firstly, we collected and sorted out the GPS data, established the uniform velocity field for the Chinese mainland and the surrounding regions, and the horizontal deformation field relative to the Eurasia plate; Secondly, we established a motion model for the entire rotation and homogeneous strain of the first and second level blocks in Chinese mainland, analyzed the motion pattern and strain behavior of active blocks in Chinese mainland, as well as the motion pattern of principal fault zones in Chinese mainland; Thirdly, considering the heterogeneity of strain distribution inside a block and supposing that the strain tensor inside the block is the linear function of location, we derived and established an equation for the entire rotation and linear strain of block and a motion model for the entire rotation and linear strain of principal blocks in Chinese mainland; We also calculated the principal strain field and the maximum shear strain field in Chinese mainland and the surrounding regions, analyzed the basic characteristics of strain field in Chinese mainland, as well as the relationship between the spatial distribution of strain field and large tectonic zones; Finally, we established the 2-D geotectonic model and digital model for Chinese mainland and the surrounding regions, calculated the stress field in Chinese mainland and the surrounding regions, and analyzed the basic features of stress field in Chinese mainland and the principal driving force for the motion and deformation in Chinese mainland.

收集整理了已有GPS资料，建立了中国大陆及周边地区统一的速度场以及相对欧亚板块的水平形变场；建立了中国大陆一、二级地块整体旋转与均匀应变的运动模型；分析了中国大陆活动地块的运动状态，应变状态，以及中国大陆主要断裂带的运动状态；考虑到一个块体内部应变张量空间分布的非均匀性，假设块体内部的应变张量是位置的线性函数，推导建立了块体整体旋转与线性应变方程，建立了中国大陆主要地块整体旋转与线性应变的运动模型；计算了中国大陆及周边地区的主应变场与最大剪应变场，分析了中国大陆应变场的基本特征，以及应变场的空间分布与大型构造带的关系；建立了中国大陆及周边地区二维的地质构造模型和数值模型，计算了中国大陆及周边地区的应力场，分析了中国大陆应力场的基本特征以及中国大陆运动、形变的主要驱动力。

The contribution of this dissertation is to identify and explain 8 different contrast factors in the motion events: 1. The factive or the fictive motion in events; 2. The motion caused by the internal or external forces; 3. The process windowing or objective windowing; 4. The live reporting or non-live reporting; 5. The Directive role or the Objective role in motion event; 6. The high or low volition of the Subject of motion; 7. The event or state; 8. The Container schema or Path schema.

本文的贡献在于揭示了位移事件中的八种对立现象：（1）现实位移和虚拟位移的对立；（2）内动力位移和外动力位移的对立；（3）过程取景和目标取景的对立；（4）现场报道与事后报道的对立；（5）位移方向与位移目标的对立；（6）高意志性和低意志性的对立；（7）事件与状态的对立；（8）容器图式和路径图式的对立。

The motion scope judgement search method based prognosticating the search beginning point, it utilizes the time relativity and the space relativity of block to prognosticate the search beginning point, and adopts the different search pattern according to the block motion scope, the search efficiency is close to the Three Step Search, which proves the feasibility of researching the new efficient motion estimation algorithm according to the characteristic of block motion to use the different search methods; In the end, this paper evaluates the advantage and disadvantage of the different fast algorithms through the data get from the experiment, it will have some reference value to bringing the new and effective motion estimation fast algorithm in the later research.

基于预测起点的运动幅度判断搜索法，该算法利用块的时间相关性和空间相关性来预测搜索起点，根据块的运动幅度大小分别采用不同步长的搜索策略，搜索效率比较接近三步法，证明了根据块运动的特性以结合运用不同的搜索算法来研究有效的运动估计算法的可行性。最后本文通过实验得来的数据来定量地分析评价各快速算法的优缺点，对今后提出新的更有效的运动估计快速算法具有一定的参考价值。

The motion vector in outgoing video stream is obtained by adding up base motion vector to delta motion vector. Base motion vector is extracted from input video stream. The search area of delta motion vector is very smaller than previous full-scale full-search area. Therefore, the computational complexity can be reduced and the estimation can be speeded up.

在该模式中，最佳运动矢量由基运动矢量和增量运动矢量相加得到，其中基运动矢量可直接从输入视频流中获得，而增量运动矢量的搜索域比先前全搜索域小得多，从而减小了运动估值搜索域，降低了计算复杂性。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。