Raytheon Company (NYSE: RTN) and the U.S. Army recently completed successful testing of the first Advanced Extremely High Frequency, or AEHF, satellite communications production terminals.

雷神公司和美国陆军最近成功完成首个先进极高频或AEHF卫星通信生产终端测试。

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Similarly, the power law pattern can be seen in the frequency and magnitude of the monthly swings, positive and negative, in us industrial production from 1919 to February 2009 (Exhibit 2).

类似地，幂指数定律模式也可在美国1919 - 2009年1月间的工业生产的月度摆动(绝对值)频率和级别中被发现(表2)。

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Greater frequency of droughts and floods would affect local production negatively, especially in subsistence sectors at low latitudes, Dr. Diouf added.

迪乌夫博士进一步指出，越来越频繁的旱灾和洪涝将给当地生产造成不利影响，尤其在低纬度地区的维持生计部门。

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"As we enter the last two weeks of 2007, we are experiencing an unprecedented frequency of serious incidents in our operations, " Richard Morrison, vice president for Gulf of Mexico production, wrote in an email to staff.

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