Based on those characteristics, it was considered that this area has entered a new earthquake activity period.

依据地震成组活动特征推断本区进入了一个新的地震活跃时段。

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Objective: To observe the influence of carrying out artificial rupturing membrane in early activity period on birth process progress and delivery.

观察在活跃早期行人工破膜对产程进展及分娩的影响。

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The theoretical stress releasing period of crust and mantle in India and Burma plate is calculated by viscoelastic model. It is about 56a and close to the strong earthquake activity period.

利用粘滞模型计算了印缅板块地区壳幔的理论应力释放周期为56年，与该地区的强震活动周期基本吻合。

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Turning the Page for us refers to the HIV prevention research world really entering a new period in its activity, That new period comes 30 years into the HIV/AIDS epidemic.

VOA: standard.2010.07.15

However, this compared with a period of activity well below the boom years.

BBC: 'Early signs' of housing activity, says RICS

"The last week has seen an exceptional period of activity with almost 240 wildfire incidents in the Highlands and Islands area, " he said.

BBC: Firefighters extinguish wildfires on Skye

Rather, HFCS supporters argue that obesity is as much a function of a corresponding decline in physical activity during the same period that HFCS consumption increased.

FORBES: Souring On Sweeteners