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[VOA慢速英语视频 ] VOA慢速英语视频(视频+中英文本) 第66期:每秒拍摄一千亿帧画面的全球最快二维相机诞生
Imagine a camera that can take one hundred billion pictures a second -- that is enough to record the fastest movements in the universe.2015-04-06 编辑：max
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
2015-04-06 编辑：max
