Multifold techniques and methods of anti-icing and deicing are summarized.
总结了目前国内外提出的多种 防 冰除冰技术及方法.
The gallbladder comet tail sign is formed due to following causes: 1. Multifold reflex inside a multi-layer crystal;
胆囊内慧星尾征的形成原因为:1.多层结晶体内部的多重反射;
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