过去的数年里，一些国家投入了大量财力物力致力于更加有效地开展各种科学调查。
During the past few years, several countries have pooled their resources in order to carry out certain types of scientific investigation more efficiently.
过去的数年里，一些国家投入了大量财力物力致力于更加有效地开展各种科学调查。
During the past few years, several countries have pooled their resources in order to carry out certain types of scientific investigation more efficiently.
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