-
[2014年4月VOA常速英语] VOA常速新闻附字幕:无人机或将从公海发回数据
Non-military flying drones for civilian use often rely on sunlight to recharge their batteries. But sea-faring drones, such as Wave Glider, can extract energy from the sun and the water.2014-04-19 编辑:Sunny
Severity: Notice
Message: Memcache::connect(): Server 127.0.0.1 (tcp 11211, udp 0) failed with: Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
Severity: Warning
Message: Memcache::connect(): Can't connect to 127.0.0.1:11211, Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
2014-04-19 编辑:Sunny