One thing is for sure: a return to euro-zone recession would set the stage for a prolonged crisis environment, through which the survival of the currency area will constantly be in question.
有件事是一定的：欧元区经济重现衰退可能会促成经济危机持续时间延长，如此，欧元区的幸存者将会持续面临挑战。
The two relatively stable metabolic phases, starvation adapting metabolism zone and survival metabolism zone were observed in 2~4 days and 8~10 days, in which SOD activity decreased significantly.
结果表明，日本沼虾代谢率在饥饿处理的2~4 d和8~10 d分别出现2个相对的代谢稳定区，即饥饿适应代谢区和饥饿存活代谢区，SOD比活力在饥饿处理期间显著下降。
The plant species with high propagation capability and growth rate had the advantage in competition, which ensured their survival in the water-level fluctuation zone.
高繁殖力和高生长率的物种在竞争中具有优势，确保其能在消落带生存。
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