this trend began during the second world war when several governments came to the conclusion that the specific demands that a government wants to make of its scientific establishment cannot generally be foreseen in detail
这一趋势始于第二次世界大战期间，当时一些政府得出结论，认为政府希望对其科学机构提出的具体要求通常无法详细预见
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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