已选(0)清除
条数/页: 排序方式: |
| Standard Definitions for Common Types of Pavement Cracking 科技报告 来源:National Academies Press. 出版年: 2020 作者: National Academies of Sciences, Engineering, and Medicine
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2020/09/22 |
| Guidelines for Drafting Liability Neutral Transportation Engineering Documents and Communication Strategies 科技报告 来源:National Academies Press. 出版年: 2020 作者: National Academies of Sciences, Engineering, and Medicine
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2020/08/18 |
| Measuring Alternative Work Arrangements for Research and Policy 科技报告 来源:National Academies Press. 出版年: 2020 作者: National Academies of Sciences, Engineering, and Medicine
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:1/0  |  提交时间:2020/08/09 |
| Airports and Unmanned Aircraft Systems, Volume 1: Managing and Engaging Stakeholders on UAS in the Vicinity of Airports 科技报告 来源:National Academies Press. 出版年: 2020 作者: National Academies of Sciences, Engineering, and Medicine
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2020/08/09 |
| Airports and Unmanned Aircraft Systems, Volume 3: Potential Use of UAS by Airport Operators 科技报告 来源:National Academies Press. 出版年: 2020 作者: National Academies of Sciences, Engineering, and Medicine
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2020/08/09 |
| Airports and Unmanned Aircraft Systems, Volume 2: Incorporating UAS into Airport Infrastructure— Planning Guidebook 科技报告 来源:National Academies Press. 出版年: 2020 作者: National Academies of Sciences, Engineering, and Medicine
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:5/0  |  提交时间:2020/08/09 |
| Procedures and Guidelines for Validating Contractor Test Data 科技报告 来源:National Academies Press. 出版年: 2020 作者: National Academies of Sciences, Engineering, and Medicine
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:3/0  |  提交时间:2020/06/01 |
| Selected Health Conditions and Likelihood of Improvement with Treatment 科技报告 来源:National Academies Press. 出版年: 2020 作者: National Academies of Sciences, Engineering, and Medicine
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:1/0  |  提交时间:2020/06/16 |