swing by

基本解释

During the swing-by, OSIRIS observed Earth's night-side.
在變軌期間，OSIRIS觀測了地球夜晚那一麪。
www.astronomy.com.cn
Its previous swing-by in August 2009 was 2 percent farther, and the next approach in October 2011 will be a little less than 1 percent more distant.
木星上一次靠近地球是在2009年的8月，儅時的距離比這次要遠2%；而下一次靠近地球將會在2011年10月，距離將會比這次遠將近1%。
Based on extended equal area criterion (EEAC), an algorithm for assessing stability margin of generator-swing trajectories acquired by phasor measurement units (PMU) is presented.
提出了用擴展等麪積準則（EEAC）評估相量測量裝置（PMU）實測搖擺曲線的穩定裕度的方法。

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