The Mars Society, a space-advocacy group, has conducted a series of simulated Mars missions involving 80 crews at a desert station and a dozen crews at an even more remote Arctic base.

一个叫做“火星社会”的宇宙鼓吹团体已经进行了一系列模拟火星访问的任务，包括一个80人的沙漠站点和另一个12人的更偏远的北极基地。

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In each nation, these high school and college-age youth are participating in a series of competitions on human rights activism and advocacy with encouraging results.

在每一个民族来说，这些高中和大学适龄青年正在参加一个关于人权的积极行动和宣传，成绩令人鼓舞的一系列比赛。

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