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词汇 5BX
分类 英语词汇 英语翻译词典
释义

5BX

英语百科

5BX

The 5BX (Five Basic Exercises) Plan is an exercise program developed for the Royal Canadian Air Force (RCAF) by Bill Orban in the late 1950s, first published in 1961. The plan was developed for men; a corresponding program was developed for women under the name XBX (Ten Basic Exercises).

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