结论：除个别特殊物理环境下的工人外，不同工人群体的心理健康基本正常。
Conclusion: the mental health of these samples were basically normal except a few that were in special physical environments.
有许多可行性的方法是被个别的公民发掘的，但是在一个巨大的国际范围中，技术工人用单一的手段还从未成功过。
From the very start workable methods were found in so far as individual citizens were concerned, but the mechanics of an instrumentality of larger international scope have never been successful.
有许多可行性的方法是被个别的公民发掘的，但是在一个巨大的国际范围中，技术工人用单一的手段还从未成功过。
From the very start workable methods were found in so far as individual citizens were concerned, but the mechanics of an instrumentality of larger international scope have never been successful.
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