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 answer to this riddle lies in the metabolic activity of early photosynthetic life-forms that slowly but surely transformed the chemical composition of Earth's atmosphere.

这个谜题的答案在于早期光合生命形式的新陈代谢活动，这种活动缓慢但一定改变了地球大气的化学成分。

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Losing sodium can affect brain activity, so early symptoms of water intoxication can include irritability, drowsiness and other mental changes.

钠缺乏会影响大脑活动，所以水中毒的早期症状包括易怒、嗜睡等其他精神上的变化。

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Still,they say early reports show that flu activity has been low so far this year.

VOA: special.2009.03.04

Flying was a new and exciting activity in the early nineteen twenties.

VOA: special.2010.05.26

Peterson says an early childhood education class got her thinking about ways to incorporate more activity into their school day.

VOA: standard.2010.06.25

He says too much early activity in the amygdala also could produce abnormal fears which might be an explanation for some of the other problems associated with autism.

NPR: New Autism Study Shows Discrepancy in Brains

It failed to correctly interpret the meaning of early insurgent activity in Iraq.

FORBES: Compared With Bush, Obama's Defense Record Looks Real Good

Some stocks seeing early morning activity: Exxon Mobil rose 0.8%.

FORBES: Fiscal Cliff Update: Obama Smartly Shortens Vacation To Resume Talks