But John McGraw says there are also a lot of devices inside the Triple-7 that can help searchers follow its movement.
但麦格劳表示，波音777上有很多设备可以帮助调查员追踪它的移动。
In 1917, following the death of John Alexander Hill, James H. McGraw merged the McGraw and the Hill Publishing Companies.
1917年，JohnAlexanderHill逝世后，Jamesh .McGraw将麦克·格劳出版公司与希尔出版公司合并。
In 1917, following the death of John Alexander Hill, James H. McGraw merged the McGraw and the Hill Publishing Companies.
1917年，JohnAlexanderHill逝世后，Jamesh .McGraw将麦克·格劳出版公司与希尔出版公司合并。
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