继续进行测试的土耳其自研游隼（Gökdoğan）主动中距弹。该弹是土耳其TÜBİTAK国防工业研究与发展研究所GÖKTUĞ空空弹计划的成果之一，该计划准备推出4款空空弹，除了游隼主动中距弹外，还有类似AIM-9X的梅林（Bozdoğan）红外成像格斗弹，用于无人机的海隼（Akdoğan）迷你格斗弹和使用冲压发动机的天可汗（Gökhan）冲压空空弹。目前只有游隼和梅林进行过测试。

【马上开饭！#云南1000亩大象专属食堂即将营业#[憧憬]】An area that provides sources of food for Asian elephants is about to open to the animal guests soon in Jinghong city, southwest China’s Yunnan province. Covering a total area of more than 1,000 mu (1 hectare equals 15 mu), the project is set to supply the elephants with a richer variety of food sources and improve their habitat, an official said. 近期，云南省景洪市总面积1000亩的大象专属“食堂”即将“营业”。在食物资源补给区内，种植粽叶芦340亩7.3万苁，芭蕉330亩3.8万株，以此来为亚洲象提供更多的食物，减少亚洲象进村觅食的行为及对周边群众农作物造成的破坏，缓解人象冲突。
Read full: https://t.cn/A6Id1ZYP

【Evaluation of the Impact of Queue Trucks with Navigation Alerts Using Connected Vehicle Data】
#论文# #交通# #撞车#

Back of queue crashes are an emerging national problem in the USA and several states are exploring or deploying queue warning trucks to increase the alertness of drivers approaching stopped traffic on the interstate. This paper reports on the evaluation of the deployment of queue warning trucks in Indiana to alert motorists to stopped traffic using a combination of signs, lights, message boards and digital navigation alerts.

DOI: 10.4236/jtts.2021.114035 https://t.cn/A6Id3Q08