这种累积效应对数百万人对待生活本身的态度产生了根本性的改变，这种态度的逆转肯定是人类历史上最大的一次。

The cumulative effect was a fundamental change in how millions of people approached life itself, a reversal of attitude that must rank as one of the largest in human history.

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结构中所涉及到的特定产品系统所施加的限制条件(一般是资源限制条件，例如内存以及对数据库连接的最大连接数量)。

Constraints imposed by the specific production systems involved in the architecture (typically resource constraints, such as memory or maximum number of connections to the database machine).

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非洲区域疟疾死亡减少的绝对数字最大。

The largest absolute decreases in deaths were observed in Africa.

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