查询词典 offset sheet

An optical element such as a rear projection screen for an image display device comprises at least two substantially rigid sheet members each having a first major surface and a second major surface providing a plane of incidence and a plane of emergence, respectively, through which light is transmitted sequentially. A first sheet member comprises a Fresnel lens, and a second sheet member comprises a lenticular lens array on each of the major surfaces thereof.

一种光学元件，例如用于图象显示装置的背投式屏幕（1），包括至少两个基本为刚性各具第一主表面（21；31）和第二主表面（22，32）的板部件（2；3），分别提供顺序穿过光线（10）的入射面和出射面，第一板部件（2）和第二板部件（3）在其各个主表面（31，32）上分别包含一个菲涅耳透镜（24）和一个双凸透镜阵列33，35。

Our company specializes in producing and selling all kinds of 100% polyester fabric, including 100% brush polyester fabric, 100% polyester taffeta, poly pongee and satin, we can also make any pattern of the bed sheet set including the flat sheet, the fitted sheet and the pillowcase with solid color,embroidery, printing or jacquard patterns.

我公司主要生产和销售各种全涤面料，有磨毛布、涤塔夫、春亚纺和色丁布，同时我公司也能为您生产各种床上套件，包括床单、床罩和枕头，有素色的，绣花的，提花的、印花的。

At present, the frequently used the backing sheet is divided into two main categories, namely, the backing sheet opaque and Semitransparent backing sheet.

长远，常用的不顶纸分为两不小类，即不透明不顶纸和半透明不顶纸。

The soil erosion process on the slope was clearly divided into sheet erosion stage, rill erosion developing stage and rill erosion stable stage. Before lOminutes of rainfalls, the percentage of sheet erosion amount to total erosion amount was more than 90%, and it indicated that sheet erosion happened on the slope. This percentage sharply decreased before SOminutes of rainfall time, on the other hand, the percentage of rill erosion amount to total erosion amount increased in curve form with rainfall time.

在降雨前10min左右，面蚀贡献率约占坡面侵蚀总量的90%以上，为面蚀阶段；随着降雨时间的延续，面蚀贡献率先急剧递减最后在第30min左右基本达到稳定，细沟侵蚀贡献率则出现相反趋势，此为细沟发育阶段；降雨后期，面蚀和细沟侵蚀贡献率的变化趋势逐渐变缓且基本达到稳定。

The flatness quality problems such as sidewise bending and warping usually appear in hot rolled sheet product. Residual stress distribution of hot rolled steel sheet before and after straightening was obtained by modified hole–drilling technique, in order to improving the quality of hot rolled steel sheet product.

本文针对热轧钢板产品常出现的旁弯、翘曲等板形质量问题，通过盲孔法测量钢办矫直前以及粗矫、精矫后的残余应力分布来分析矫直工艺对带钢残余应力分布的影响，以便改善热轧钢板产品的质量。

If the dial indicator reads 0.14~0.3mm , it means the tooth clearance is right; You can also use a 15~20mm long and 0.5mm thick lead sheet or "∽"-shaped fuse . Put the sheet or fuse between the unengaged tooth flanks tha is between the convex surface of small bevel gear and the concave surface of the large bevel gear. Turn the gear, then the pressed thickness of the big lead sheet end suggests the normal tooth clearance of this site.

另一种方法是用长15~20毫米，厚0.5毫米的铅片或弯成"∽"形的保险丝，放入两齿轮非啮合的齿面之间（即小锥齿轮的凸面和大锥齿轮的凹面之间），转动齿轮，则铅片在靠近大端处被挤压的厚度即为该处的法向齿侧间隙。

A circle shear machine for cutting holes and rings in sheet metal whereby the sheet metal is held stationary by a pair of coaxially aligned and opposed center shafts which are each provided with a thrust bearing mounted support platform to engage top and bottom surfaces of the metal sheet at the locus center of the hole to be cut.

一个圈剪切机切割孔及戒指在钣金，而金属板材是静止举行，由一对同轴不结盟和反对的中心轴，这是每提供一台推力轴承安装支撑平台，以进行顶部和底部表面的金属板材在轨迹的中心孔被削减。

PP/PC hollow profiles sheets boards extrusion production line is general Suitable to make PP ,PE hollow profile sheets ( cartonplast sheet , Coroplast sheet ) up to 10mm thick and 3M wide ; hollow profile sheet is widely used as advertising boards , decorating boards , roofing , packing and file materials

聚丙烯/电脑中空板挤出生产线概况表一般适合作聚丙烯、聚乙烯中空廓板(cartonplast表 corplast表)截至3米宽、厚10公厘；剖面空心板被广泛用作广告板，装饰板，屋面、包装及档案材料； 2。

Once customers report that both of them are gerasin backing sheet products blue backing sheet in thermal business card printing machine does not have a problem but white backing sheet disnature arisento business card printing.

有一次客户反映说同样是格拉辛底纸的产品蓝色的底纸在热敏制卡机上没有问题但是白色的底纸出现了制卡错位的问题。

Models are built according to the emersed part and floating part of the ice sheet, respectively. Bending moment distribution in the ice sheet is analyzed to determine where a bending failure may occur. The analytic solution of breaking length for ice sheet is obtained.

文中将冰排分为在斜面附近脱离水面部分和较远处漂浮于水面部分两个区域，建立了冰排因弯曲而发生破断的数学模型，根据弯矩分布分析了冰排可能的破断位置，从而得到冰排与斜面结构相互作用时的破断长度解析表达式。

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。