... 变动 change; alteration; oscillat ... 长期变动 long term changes; long time changes; long time fluctuation 短期变动 short-time variation ...
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The output of the laser is very stable, and the fluctuation of output power is less than 0.5% under long-time high-power operation.
激光器具有非常稳定的输出，在长时间运转条件下，输出功率波动小于0.5%。
The reason is caused by hot operation temperature less than normal or fluctuation saturated, time is long, or burning layer thin.
造成热运转的原因是饱和温度小于正常值或波动大，时间长，或燃烧层过薄。
This article gets the following conclusion through the demonstration analysis: 1. In long time, the GDP fluctuation is the TFP fluctuation's Granger reason.
本文通过实证分析研究，得到如下结论：1、在长时期内，GDP波动是TF P波动的格兰杰原因。
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