#搜寻马航370#【海巡01轮黑匣子搜寻仪5日在南印度洋海域侦听到脉冲信号：频率37．5kHz每秒一次】China’s Haixun-01 has detected pulse signals with frequency 37.5kHz/sec with black box search apparatus. Not proven to be linked to MH370 yet.
