At the second plenary session, Assembly Moderator Frank C. Collins Jr. introduces the sergeants-at-arms, leading the flag ceremony. / Photo by Alyce Henson/RI.

于二全会，国际讲习会主持人富兰克•小柯林斯引导著大会纠察迎国旗入场仪式。

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slide - "Yang-Mills TheoryFifty years ago a new set of equations was presented by C."N. Frank Yang and Robert Mills.

幻灯片出现：50年前，杨振宁和罗伯特·米尔斯提出了杨-米尔斯理论。

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C. Frank Towers causing the ships to sink.

长弗兰克水塔造成船舶下沉。

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C. Frank Towers causing the ships to sink.

长弗兰克水塔造成船舶下沉。

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