板层

Based on ANSYS and SYSNOISE software, How the thickness, stiffness, boundary conditions, material density, elastic module and damping factor of viscoelastic structure to affect the sound radiation is discussed in the paper, then some useful conclusions are drawn from them, which will give engineers a guideline to choice the optimization damping.

最后，本文对粘弹性阻尼夹层板结构的声辐射进行了计算，并研究夹层板结构的厚度、加筋方式、边界约束条件、板材、厚度、材料弹性模量、阻尼材料损耗因子、阻尼层密度等参数对声辐射产生的影响并进行比较，得出了一些有益的结论，为最佳阻尼的处理提供了一定的依据。

By the computation of program, data which concerned in engineering such as deflection of raft foundation, internal force of raft foundation, internal force of superstructure (Which include beam, columns and shear-wall) and the other useful data for structure design can be obtained. And this can provide guidance and advice for the relative engineering practice.

通过程序计算可以得出工程上关心的考虑与上部结构、地基共同作用的筏板基础的挠度、筏板基础内力、上部结构(包括上部各层梁、柱、剪力墙)内力等结构设计所需的指标，可为相关的具体工程实践提供指导及依据。

Some authors proposed that the analyses of transfer cycles of high frequency base level and key surface correlation could be used to correlate isochronal strata.

在前人提出的高频基准面转换旋回分析和关键界面对比分析来确定等时性的基础上，以板中东油田板2油组水下冲积扇沉积为例，就湖盆内事件沉积的特点，提出可以结合洪泛面和事件沉积界面以及异旋回和自旋回来进行高分辨率层序地层的对比研究。

Methods: A bonygroove was made on the upper rim of the acetabulum, and extended medially and upward on the ilium.

切取带有髂骨内板骨膜和软骨的全层骨块，嵌入骨槽中，形成杯口状，骨膜伸展贴附在髂骨外板上。

In this thesis, we transfer the microgroove patterns onto the Poly substrate to avoid the cracks by means of replica molding method. Different from traditional polymer alignment layers, the bendable materials serve not only as substrates but also as alignment layer; thus, we successfully fabricated the flexible alignment-layer free twisted nematic liquid crystal cell.

在本研究中，我们使用复制成形法，直接将奈米沟槽转印到软性高分子基板上，来改进脆裂的问题，不同以往的高分子薄膜，我们是让基板本身就具有配向液晶分子的功能，做出不需额外配向层的可挠式扭转向列型液晶元件。

Determination of neutral plane position is the key to the analysis of bonded two layered slab on an elastic foundation,however,there are no theoretical formulas and solving methods for it when the Poisson s ratios of two slabs are different.

弹性地基上结合式双层板问题分析的关键在于中性面的求解，但目前对于两层板泊松比不同时的情况仍没有理想的理论公式和求解方法。

Determination of neutral plane position is the key to the analysis of bonded two layered slab on an elastic foundation However,there are no theoretical formulas and solving methods for it when the Poisson s ratios of two slabs are different.

圆形均布荷载作用下温克勒地基上结合式双层板问题分析的关键在于中性面的求解，但目前对于两层板泊松比不同时的情况仍没有理想的理论公式和求解方法。

Determination of neutral plane position is the key issue in the analysis of bonded two-layered slab on a Winkler foundation, however, there exist no theoretical formulas and solving methods for the problem when the Poisson's ratios of two slabs are different.

温克勒地基上结合式双层板问题分析的关键在于中性面的求解，但目前对于两层板泊松比不同时的情况仍没有理想的理论公式和求解方法。

The construction methods of a new-slab are introduced which is made of profiled sheet and OSB board using in an extension project.

介绍某扩建工程中新型楼板——压型钢板+OSB板的建筑做法，剖析该新型楼板的施工过程及施工工艺，同时提出解决此类新型楼板施工过程中一些常遇难题的技术方法，为多层钢框架压型钢板+OSB板新型楼板的施工提供借鉴依据。

With singular attention to detail, the new Eric Johnson Stratocaster RW features a two-piece alder body finished in thin-skin nitrocellulose lacquer, a quartersawn maple neck with bound round-laminated 12-radius rosewood fretboard, a three-ply parchment pickguard, pickups voiced by Johnson himself, staggered vintage-style tuners, a custom tremolo block, and four brand-new finish options, three of which (Lucerne Aqua Firemist, Tropical Turquoise and Medium Palomino Metallic) are exclusive to this model.

对细节独到的关注，新的签名琴的特点是琴体由两片赤杨木组成并由硝化纤维清漆粘和；琴颈为quartersawn枫木，与12英寸半径的桃花芯木指板粘和组成；外带3层羊皮纸的匹克护板；拾音器由埃里克约翰逊亲自参与设计制作；直排复古型卷线器；以及订制级颤音摇把；4款全新的颜色选择，其中3个（网页上有：深蓝色，浅蓝色和金棕色）都是这一款琴独有的。

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