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- Y445 series of bridge plugs were successfully applied in layer fracturing of CBM wells and met the requirements . Y445系列压裂桥塞在煤层气井分层压裂中的成功应用基本上达到了这一目的。
- TH-PCPL is fabricated on four layer FR4 PCB and good agreement is shown between the measurement and simulation results. 而贯孔式光子晶体电源层也实际制作于四层板FR4的印刷电路板，其模拟与量测结果相当吻合。
- TCP/IP protocols map to a four layer model: Network Interface, Internet, Transport, and Application. TCP/IP协议可以用一个分成四个层次的模型来描述：网络接口层、互联网层、传输层和应用层。
- HPG frac fluid system with hydraulic nitrogen energizing is optimized and a series of separate layer fracturing without pulling string technology is formed and widely used in Daniudi gas field. 针对大牛地气田储层低压、低孔、致密、纵向上目的层多,层间跨距变化大,且单层产能低的特征,开展不动管柱分层压裂改造技术研究,以实现该气田多层叠置气层的均衡改造。
- The structure of PMN is a four layer feedforward neural networks(FNN), where the Gaussian probability density function is realized as an internal node. PMN网为一个四层前馈网，它构成一个贝叶斯分类器，实现多类分类的贝叶斯判别，把输入的说话人语音数据模型参数通过网络变换为输出的说话人判定。
- Gas reservoirs of upper palaeozoic erathem contains different gas layers,it can be produced by separate layer fracturing. 为解决多油层分层压裂作业管柱一旦砂埋封隔器难以解封的难题,研制了多功能分层压裂开关。
- The through hole PCPL (TH-PCPL) structure is proposed to be a low cost realization of the PCPL structure in four layer PCB. 利用高介电连通柱束光子晶体结构可得到许多不同等效介电常数的等效高介电材质，利用这些等效材质在设计截止频带时能作更多变化，更有弹性。
- A zonal fracture switch with simple structure and multifunction is developed to solve the problem of releasing of pack stuck by sand during separate layer fracturing operation. 为解决多油层分层压裂作业管柱一旦砂埋封隔器难以解封的难题,研制了多功能分层压裂开关。
- The anther wall is composed of four layers: epidermis, endothecium, middle layer and tapetum. 巨龙竹的花药壁由4层结构组成，包括表皮、药室内壁、中层、绒毡层；
- Changqing natural gas field belongs to low-permeability gas field.Gas reservoirs of upper palaeozoic erathem contains different gas layers,it can be produced by separate layer fracturing. 长庆气田属低渗气田 ,上古气藏含有不同层系 ,需进行分层压裂改造才能投产。
- Results The deep cervical fascia was divided into four layers with the fasciae of the infrahyoid muscles being a single layer. 颈深筋膜深层分为翼筋膜和椎前筋膜;
- Basically, there are four layers of security you'll need to establish and configure. 从基本上讲,您需要建立并配置四层安全性。
- CCGUI is divided into four layers: base window system, window manager, user interface toolkits and desktop environment. CCGUI系统分为基窗口系统、窗口管理器、用户界面工具箱和桌面管理器四个层次。
- This method is to use XML as the web describing language, and model a web site from four layers. 本文提出了一种基于XML的Web站点建模方法。
- Atmosphere is divided into four layers: Troposphere、Stratosphere、Mesosphere、Thermosphere. 迷恋完板块结构后，S成功转移目标到了大气层...
- Typically, the traditional data network mainly includes four layers: IP,ATM,SONET/SDH,DWDM. 目前的数据通信网络体系结构主要包括四层：IP、ATM、SONET/SDH、DWDM，其中IP层承载业务； ATM层实现业务流量工程；
- The new Chinese Oreo was four layers of crispy wafer filled with vanilla and chocolate cream, coated in chocolate. 这种新产品由四片薄脆的威化饼干组成，中间配以香草和巧克力奶油夹心，最外层包裹着巧克力。
- The wall of digestive tract is made up of four layers, which are the mucosa, tunica submucosa, muscularis and serosa. 消化道管壁由粘膜层、粘膜下层、肌层和浆膜层构成。
- There exist four layers of volcanic rocks in Sinian and Cambrian strata of Kuruktag area, Xinjiang. 在新疆库鲁克塔格地区的震旦纪和寒武纪沉积岩地层中，分布有四层火山岩。
- PIPORTDOS is based on microkernel architecture, and consists of four layers: hardware abstract layer, system kernel layer, distributed message mechanism, and system servers layer. 华中科技大学图像信息处理与智能控制教育部重点实验室;
