fixed block
固定滑车
- It makes little sense to cast the performance penalty of synchronization strictly in percentage terms, because an uncontended synchronization imposes a fixed performance penalty on a block or method.
严格依照百分比计算同步的性能损失并没有多大意义,因为一个无争用的同步给一个块或方法带来的是固定的性能损失。 - By the structure of fixed block and fixed bush, not only die is steel saved, but also the ability of exhaust is improved, so the quality of the product is improved.
采用镶块、镶套结构,不仅节省模具钢,而且改善了模具的排气性,提高了产品的质量。 - The field transistor is arranged with the heat dissipation block in parallel and is fixed on the heat dissipation block via a screw, with simple installment.
场效应管与散热块平行设置,用一压条将场效应管用螺钉固定压在散热块上,安装方便。 - On this basis, computation formulas of train headway under fixed automatic block and moving automatic block are deduced in the paper.
描述了一种移动闭塞下考虑不同类型列车混跑时基于元胞自动机的列车追踪模型。 - One of the common characters between traditional algorithms based on DCT image coding is that regardless of the content of the image, they use a fixed size block to process, for example, JPEG, MPEG-1/ 2, H.263 use constant 8 8 block mode.
传统的基于DCT的图像编码算法的一个共同特点就是:不管图像的具体内容,采用固定的块尺寸进行统一的处理,例如JPEG,MPEG-1/2,H。 - In order to solve the problem of global histogram lacking the spatial distribution information of color, an image search method is presented. It uses fixed block segmentation for drawing the local color moments of an image.
为了克服全局直方图检索方法不包含颜色的空间分布信息的不足,提出了一种采用固定块图像分割方法提取图像局部颜色矩的图像检索算法。 - The parametic models of time tail of block and fixed quantity tail of block in life testing are built.
对寿命试验建立起定时与定数截尾参数模型。 - The onset time of sensory block, the fixed time of block, the classes of anesthesia quality, the influence on circulatory system and the complications were observed.
观察两组的感觉阻滞起效时间、麻醉平面固定时间、麻醉质量评级、对循环的影响以及并发症发生的情况。 - First, the fixed block matching is relaxed.
一是对固定块的匹配算法进行了改进。 - All the parts of the diesel are fixed on the cylinder block, the structure, shape and the loads of the block are very complex.
机体是柴油机各零部件的安装基础,结构、形状和作用载荷十分复杂。 - The build of parametric model and parametric estimate of time and fixed quantity tail of block
定时与定数截尾试验参模的建立与参数估计 - It was suggested that if electrocardiogram appeared in the inversion of T wave, moreover it had the change of fixed position with conduction block ( especially exist with many kinds of block), ectopic rhythm, it gave a useful clue to diagnose the primary dilatation cardiomyopathy.
故提出,心电图如果出现T波倒置且有定位改变,同时伴有传导阻滞、异位心律,对原发性扩张型心肌病的诊断有一定价值。 - Objective To discuss the design of arthroscopic reconstruction of posterior cruciate ligament ( PCL) with quadriceps tendon fixed by a patellar block and an allograft bone plug, and its clinical outcome.
目的设计关节镜下股四头肌腱髌骨块嵌入和异体骨栓挤压固定方法重建后交叉韧带(PCL),观察其治疗PCL损伤的疗效。 - Tests of Hypothesis concerning the fixed and block effects.
各类效应的检验问题。 - Establishment of finite element model: The tooth was fixed with paraffin block. The scanning ray was vertical with long axis of tooth, and the scanning was done till dental cervix.
建立有限元模型:用蜡块将牙齿固定,使扫描尽可能与牙体长轴垂直,扫描至牙颈部。 - In fixed module block truncating coding design, there are many constrains of designing flexibility, and the coder cannot detect the variation of the edges, thus a great deal of useful information is lost.
固定块大小的块截短编码器设计的灵活性受到很大限制,且编码器无法正确识别微小的边缘变化,造成许多有用信息的丢失; - Review about foreign and domestic fixed dummy block
国内外固定挤压垫装置评述 - Firstly, on the base of brief analysis of the difference between moving block system and fixed block system, train operation adjustment model under moving block system is built up.
首先在对移动闭塞与固定闭塞差异进行简要分析的基础上,建立了移动闭塞条件下列车的运行调整模型。 - Optimization Design of Fixed Dummy Block
固定挤压垫的优化设计 - Meanwhile, the interaction of the trains becomes more obvious in the moving block system. Compared with the fixed block system, the delay of a train will have more serious impact on the following ones in the moving block system.
同时在移动闭塞系统中列车之间的相互作用也就更加明显,如果某列车出现延迟会对后续列车造成比固定闭塞更加严重的延迟影响。 - Wavelet coefficients in same band are partitioned into many blocks, and the blocks split according to quadtree with the moving of bitplane. This kind of dynamic block spliting can overcome some shortcomings brought by fixed block size.
将同一频带内系数分块,随比特面的移动,将块由大到小进行四叉树分裂,克服了固定大小块的不足。 - The method processes a global optimal motion estimation in overlapped window region, and use the hierarchical structure to overcome the disadvantages of fixed size block matching, so have a correct disparity vector, and produce a smoother disparity map.
由于该方法在交叠窗口区域进行全局最优估计,并且采用多分辨率的结构克服固定块匹配的缺陷,得到较准确的视差矢量,并且产生光滑的视差图。 - Firstly, the image is partitioned into ring areas. Then, the color characteristics are extracted from the segmented ring areas to be fused with image space information, thus avoiding the sensitivity to image rotating and size changing, etc. when using the fixed block segmentation method.
对图像进行新的圆环区域划分,然后在各区域中提取图像特征,使提取的颜色特征融入了图像的空间关系信息,并消除固定分块法对图像旋转、尺度变换等比较敏感的缺点。 - Relying on the fact that the coefficients of complex exponential basis of BEM are fixed for a block, the proposed scheme subdivide a block into multiple subblocks and performs differential encoding across the subblocks.
该方法利用基扩展模型中各复指数基的系数在一个块内为恒定的特性,将一个块分为多个子块并在各子块间进行差分编码。 - Under Fixed Block System, the position and speed of leading train and tracking train with the signal change between the two trains describe the total train running process.
在固定闭塞系统下,前行列车、追踪列车的位置与速度以及两列列车之间信号显示的动态变化,反映着列车运行过程的重要内容。 - According to the characteristics of subway trains tracking, the paper proposes a cellular model of fixed block system to simulate tracking operations of trains in Beijing subway line 2.
本文根据地铁列车追踪运行的特点,建立了固定闭塞系统下的元胞自动机模型,并对北京地铁2号线进行了模拟仿真。 - On the basis of comparison among fixed block, quasi moving block and moving block, the problem of intervals control of train tracing has emphatically studied in the condition of moving block.
在比较固定闭塞、准移动闭塞和移动闭塞三种闭塞制式的基础上,着重对移动闭塞条件下列车追踪间隔控制问题进行了较深入的研究。 - DIFS was fixed in test block, and connect to tester through clamping apparatus.
将DIFS系统安装至测试块上,通过夹具连接至疲劳试验机,进行循环疲劳测试。 - The moving block system has abandoned the block section of the fixed block system, which has greatly increased the intensity of the trains and improved the capacity of the lines. It makes the moving block system become the developmental trend of the train signal control system.
移动闭塞系统取消了固定闭塞系统的闭塞分区,这就极大地增加了线路上列车运行的密度,提高了轨道线路的通过能力,这就使移动闭塞成为列车信号控制系统的发展趋势。