在一般经济衰退后的前两年平均增长速率为3.7%。

In the first two years after normal recessions growth averaged 3.7%.

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美国一项研究功效剖明：天天做纵横填字游戏，阅读和打牌有助于延缓智力衰退患者的影象力降落速率。

Doing crossword puzzles, reading, and playing CARDS daily may delay the rapid memory decline that occurs if people develop dementia, according to a U. S. study.

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且与光合速率稳定阶段基本一致。因此说光合功能衰退与叶片中保护酶系的下降和MDA的积累有内在的关系。

So there are inherent relations between photosynthesis function decline and fall of the Protective Enzyme System and accumulate of MDA.

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