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上面级
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上面级
Encyclopedia
工学
〔空间运输器分类〕
释
upper-stage
上面级
在运载火箭上面增加的、相对独立的一级(或多级),由运载火箭发射进入准地球轨道或地球轨道,自主完成轨道机动、有效载荷分离与部署,将有效载荷送入预定工作轨道或预定空间位置的空间运输器。
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Hearsay from the Borderlands of the Southwest
Hearsay from the Reigns of Four Emperors
Hearsay from the Spring Islet
Hearsay of the Li People in Hainan Island
hearsay rule
Hearst Newspapers
Heart
heart
heart and blood vessel, invasive, endovascular surgical endoscopy
Heart and Soul for Children
heart and vascular system toxicity
heart blood
Heartbreak House
heart burn
heartburn
Heart Channel of Hand shaoyin
heart curve
heart cutaneous region of hand shaoyin
heart cutting
heart-cutting
heart disease
heart failure
heart governing blood and vessels
heart governing mind and spirit
hearth efficiency
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