十年活动的目标是稳住丧失的生命数量并随后使其下降。
The goal of the Decade is to stabilize and then reduce the number of lives lost.
给定质量的物质所能容纳的生命数量有没有限度？
Is there a limit to how much life a given quantity of matter can hold?
如果你在一个水系统中多放氮，那么你就会改变它的形态，并且导致靠水供给的生命数量有所改变。
If you put additional nitrogen into a water system, you change the type and quantity of life that water can support.
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