The Secret of Flight - Season 1 Episode 11 第 11 集
Defines a vortex and explains its structure. Shows several types of vortex including the ring, tip and thermal vortex. Uses the smoke box, water tank, and motion pictures of tornadoes to illustrate how a vortex behaves.
- 类型: Documentary
- 工作室: PBS
- 关键词: educational, historical documentary
- 投: Alexander Lippisch
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