The first round of Strategic Arms Limitation Talks (SALT) between the U. S. and U. S. S. R. opened in Helsinki. Finland.

美苏两国在芬兰赫尔辛基开始第一轮限制战略武器会谈。

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Despite the shifting R&D landscape, 'there's no need for the U. S. to panic, ' said Mr. Duga. Instead, he said, 'the U.

杜加说，尽管各国占世界研发总支出的比例有所变化，“但美国不必为此惊慌失措。”

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Despite the shifting R&D landscape, 'there's no need for the U. S. to panic, ' said Mr. Duga. Instead, he said, 'the U.

杜加说，尽管各国占世界研发总支出的比例有所变化，“但美国不必为此惊慌失措。”

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