The X axis shows the service performance period for which the data is generated.

X 轴显示生成服务性能数据的时间段。

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The invention has the advantages of low development cost, completed system function and short performance period, so the invention is an ideal implementation scheme at present.

本发明具有开发成本投入少、系统功能完善及实现周期短等优势，是目前较为理想的实现方案。

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The judges will start one clock at the moment a team member steps on the stage for the 5 minutes period, and another clock at the beginning ot the music for the 2 minutes performance period.

只要有参赛队员进入舞台，裁判就将开启时钟计时5分钟，只要音乐开始，裁判将启动另一个时钟计时2分钟。

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Finally,the experts considered performance based on the historical period in which the president lived.

VOA: special.2009.02.27

New departments have opened for period performance and Russian sacred music.

ECONOMIST: Classical music in Moscow

These days, only 32, or just over half, of those 62 funds are still in existence and are thus counted in standard trailing-period performance figures for the categories.

WSJ: Survivorship Bias: Effect on Fund Performance Data

More detailed analysis reveals that many managers in the international small category had significant holdings in emerging market stocks, which is a different asset class that had stronger performance during the period.

FORBES: Playing With Active Money Managment Is A Losing Game