排序方式: 共有49条查询结果,搜索用时 15 毫秒
1.
2.
文章结合国内相关法规,对中越汽车运输的"两议定书"和"国际汽车运输行车许可证制度"中有关公务车辆的内容进行解读,并就如何早日实现中越两国间公务车辆相互驶入问题,提出了建立国际道路运输协调机制等八项举措。 相似文献
3.
Hossam Samir Ibrahim 《Coastal management》2015,43(5):539-554
Since 1990 there has been a considerable increase in the number of developing countries undertaking Integrated Coastal Zone Management (ICZM) schemes at both the local and national levels. Unfortunately many of these ICZM schemes have failed to be implementated due to difficulties such as information and communication gaps and restricted technical and financial capacity. Common problems experienced across all developing countries. As a case in point, it is argued that developing countries suffer from capabilities at the local institutional level. Similarly, it is advocated that Mediterranean developing countries have not fully implemented ICZM as a result of lack of stakeholder capacity. Egypt provides a case study of this argument. Since the mid-1990s several attempts have been made to promote ICZM in Egypt, however none have achieved their goal of having an ICZM plan become operational. This paper reviews ICZM processes in Egypt focussing on the capacity of all instituions and key stakeholders to plan and implement ICZM based on interviews with key ICZM key stakeholders as well as documentary analysis and participant observation in ICZM meetings. It seeks through a critical evaluation to provide practical recommendations that serve to enhance the implementation of ICZM in Egypt and other developing countries. 相似文献
4.
Vehicular ad hoc networks (VANETs) formed by connected vehicles in a traffic stream could be applied to improve safety, mobility, and environmental impacts of a transportation system. In this paper, we present analytical models for the instantaneous communication throughputs of VANETs to measure the efficiency of information propagation under various traffic conditions at a time instant. In particular, we define broadcast and unicast communication throughputs by the wireless channel bandwith multiplied by the average probabilities that one vehicle is a successful receiver and sender in a VAENT, respectively. With a protocol communication model, we derive formulas to determine the probabilities for an equipped vehicle to be a successful broadcast receiver and a successful unicast receiver/sender, and obtain broadcast and unicast throughputs along discrete and continuous traffic streams. We further examine the impacts on communication throughputs of the transmission range and the interference range of dedicated short range communication devices as well as the market penetration rate of equipped vehicles and the percentage of senders. Finally, we investigate the influence of shock waves on communication throughputs. 相似文献
5.
6.
7.
分布式地铁列车驾驶仿真器的体系结构 总被引:4,自引:1,他引:3
从列车驾驶仿真器的体系结构出发,提出一种分布式列车驾驶仿真器的实现方案。该方案中,地铁列车驾驶仿真器由数据采集及输出、主控、ATC仿真、视景仿真、声音仿真、数字广播及通信仿真、运动平台控制等仿真子系统组成。子系统间采用IP组播的方式进行通信。方案支持基于DIS协议的仿真器间的通信,可实现多仿真器协同训练。为降低通信强度,提高仿真的实时性,采用一种DR算法。 相似文献
8.
9.
沈大明 《上海交通大学学报(哲学社会科学版)》2006,14(6):27-31
本文以中国历史上第一部关于行政诉讼制度的法律《行政裁判院官制草案》为对象,着重研究其产生的原因、基本特点及历史地位。本文认为,《行政裁判院官制草案》的诞生是西方宪政思想传播和清末立宪思潮兴起的结果,标志着中国社会权力分立与制衡思想的启蒙和现代权利意识的觉醒,对中国北洋政府、南京国民政府的行政诉讼制度产生了重大影响,具有重要的历史意义。 相似文献
10.
This article explores how a fresh approach to integrated coastal zone management (ICZM) in Ireland might be forged through the identification of a number of key innovative cross-sectoral professional initiatives and interdisciplinary academic thinking in this sector. It includes three interlinked research themes that assess existing cross-sectoral data management issues (to include an assessment of readiness for the INSPIRE and compliance with the Re-use of Public Sector Information European Union Directives), the degree of cross-pollination between the various sectors involved in managing the Irish Coastal Zone (to identify the need (or otherwise) for capacity- building to encourage cross-fertilization of ideas, skills, and knowledge exchange), and cross-professional competencies (to assess the desire/need (if any) for those working in coastal zone management to add to their existing competencies through continuous professional development or lifelong learning opportunities). Indeed, the specific competencies for coastal practitioners are identified here and these further illustrate the need for professional recognition of the role, responsibilities, and therefore the requirement for an appropriately qualified “Coastal Manager” professional, one that is seen not merely as a nicety but rather a necessity—a core enabler in any future innovative and integrative management approach. 相似文献