科学技术专家这样广泛地参加经济、社会决策活动，是我国几千年历史上从来没有过的。
In our thousands of years of history it is unprecedented for scientists and engineers to take part in making decisions on economic and social policy.
科学技术专家这样广泛地参加经济、社会决策活动，是我国几千年历史上从来没有过的。
In our thousands of years of history it is unprecedented for scientists and engineers to take part in making decisions on economic and social policy.
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