| 1. | Lubricants ; vb and vc lubricating oils with and without additives and vdl lubricating oils ; classification and requirements
润滑剂.有和无添加剂的和型以及型润滑 |
| 2. | Vdl mode 4 adopts the short frame structure to transmit data , the synchronous timing signal of vdl mode 4 is offered by gnss
本文完成了对vdl - 4协议栈的研究和初步开发的任务。 |
| 3. | Vdl mode 4 protocol adopts s - tdma , regards slot as the base unit of data transmission , and manages slots into superframe
最后,本文实现的vdl - 4协议栈通过对项目的测试实验和opnet仿真得到验证。 |
| 4. | Vdl garment co . , ltd , belonging to a private enterprise , is a typical medium and small - scale enterprise , which focuses on leather garments production for export
四川vdl服装有限公司是一家典型的从事皮革服装加工生产出口的中小型民营企业。 |
| 5. | This paper with the project " advanced surface movement guidance and control system ( a - smgcs ) " as background , discusses the research and development of vdl mode 4 protocol mainly
本文以“高级场面活动引导和控制系统( a - smgcs ) ”项目为背景,主要讨论了vdl - 4协议的研究与实现。 |
| 6. | Icao make a standard of very high frequency data link mode 4 ( vdl mode 4 ) on the basis of self - organizing time division multiple access ( s - tdma ) , this standard is considered to be one of the basic solutions of aviation mobile communication
该标准基于自组织时分多路访问技术,其主要特点是:支持实时应用,采用短消息进行信息交换,并且可以在缺少地面基础设施的情况下保障空空通信。 |
| 7. | The time difference curve may confirm the fast formation ; judge the tool ' s centrality ; verify the bonding quality combining with cbl / vdl curves , and also determine the casing collar position , etc
时差曲线则可以根据时差的大小验证快速地层；由曲线的变化幅度判断仪器在井中的居中程度；结合首波的幅度曲线波列的变密度曲线验证胶结状况是否良好；利用时差曲线的变化确定套管接箍位置等。 |
| 8. | Additional trials on aeronautical telecommunication network ( atn ) , surface movement guidance and control system ( smgcs ) , electronic flight strips ( efs ) , secondary surveillance radar mode s data link and very high frequency data link ( vdl ) are planned for this year
此外，有关航空通讯网络、地面活动引领管制系统、电子飞行纸条、 s模式的二次监察雷达数据链路和甚高频数据链路的进一步试行运作，亦计划在本年进行。 |
| 9. | Vdl mode 4 is consulted the data link layer of osi reference model , and it provides upper layers with reliable point - to - point connection . because of the particularity of the civil aviation ' s applications , vdl - 4 protocol will support some special application program directly , such as automatic dependent surveillance - broadcast ( ads - b )
在对协议进行研究的基础上,本文实现了与广播式自动相关监视( ads - b )应用相关的vdl - 4协议栈的vss子层和lme子层,其中主要包括预约机制、网络接入和同步数据帧的广播等。 |
| 10. | Based on the theoretical numerical simulation , experimental data of calibration pits , and time - elapsing logging data in cased production pits , a study is made for searching an evaluation method for cementing quality of the secondary interface by variable density logging ( vdl ) , and the eigenvalue about the cementing quality of the secondary interface is obtained
摘要从理论正演数值模拟、刻度井试验资料和实际生产井时间推移测井资料3个方面，探索用变密度( vdl )波形评价第二界面胶结质量的方法，提取反映第二界面的胶结状况的特征量。 |
