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Activation detection is used to measure the neutron yield from a DPF neutron source with narrow pulse width and high neutron flux.

活化测量是等离子体焦点中子源的窄脉冲、高注量率中子辐射产额的有效测量方法。

Create new document, with width and height 50% of our water rectangle.

创建新的文件，它与宽度和高度的50％，我们的水矩形。

Exploration is done to the relationship of cot structure,cot rigidity to evenness of the resultant yarn and yarn strength;relationship of cot rigidity to friction factor and linear width of nipper jaws;relationship of cot diameter and telescoping tolerance to quality of resultant yarn .

阐述了胶辊结构、硬度与成纱条干、强力的关系，胶辊硬度与摩擦因数、钳口线宽度的关系；胶辊直径、套差与成纱质量的关系；分析了低硬度胶辊改善成纱条干的机理，指出胶辊制作中必须注意的问题及纺纱工艺配置。

Given the same area, when a patch is cut into two segments and set each segment at the edge of plate in the width direction and symmetrically along the modal nodal line y=W/2, using MCLD treatment can produce better damping than PCLD treatment.

分析表明，在覆盖面积相同时，将阻尼块沿x方向等分为2块，将每块放置在板的宽度方向的边部，并沿模态节线y=W/2对称，可使MCLD获得更好的阻尼改进效果。

The crack spacing of CRCP changes randomly and has a significant impact on the pavement durability and performance. The direct integration method is used to analyze the reliability for crack spacing and width. The results show that the main factors that affected the reliability are the design crack spacing and the variability of parameters. This paper presents a nomogram for reliability calculation.

CRCP的裂缝间距是随机变化的，裂缝间距的不同会对路面耐久性产生显著影响，本文使用直接积分法计算了CRCP裂缝间距的可靠度，并使用蒙特卡罗法进行了对比，分析参数的敏感性，指出影响可靠性最主要的因素是设计裂缝间距及参数的变异性，给出了CRCP可靠度计算诺谟图。

One problem which should be solved is how to determine window width when theories and methods of nonparametric kernel density are employed to simulate stand structures,which is also the core of applying the nonparametric kernel density estimation in practice and directly related to simulation precision.

应用非参数核密度估计理论和方法，对林分结构进行模拟中，一个必须解决的问题就是窗宽的确定，这也是非参数核密度估计在实际应用中的核心问题，它直接影响模拟精度。

Window width ; Diameter distribution ; Kernel density estimation ; Nonparametric statistical model ; Stand table

窗宽；直径分布；核密度估计；非参数统计模型；林分表

SURGE CURRENT Surge current is specified as the maximum allowable peak, nonrecurrent squarewave current with a pulse width, PW, of 8.3 ms.

浪涌电流的浪涌电流的最大允许指定为高峰期，非经常性方波脉冲宽度，星期三8.3毫秒，电流。

In order to solve the problem,a novel algorithm for pattern synthesis is presented by minimizing the norm of the weight vector under constraints of the mainlode-sidelobe-ratio,mainlobe width,flat mainlobe or interference nulling.

该算法以空域匹配权模值最小为目标函数，以主副比、3 dB宽度、主瓣平顶或干扰陷零等为约束条件，优化出最优权，在保证方向图形状的同时兼顾了阵列效率。

About 180 km north-south, east-west width of 60 km.

南北长约180公里，东西宽约60公里。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐