V2EX skyhook

Skyhook

释义 Definition

skyhook(名词)

  1. (常用)“天钩/空中挂钩”:一种想象中的装置或比喻,指不合现实、凭空解决问题的“捷径”
  2. (航天语境)“空天钩/天钩系统”:一种设想或实验性的轨道系绳(tether)装置,用于在高空/近地轨道“钩住”并带走载荷,减少发射所需能量。

发音 Pronunciation (IPA)

/ska.hk/

例句 Examples

A skyhook would be nice, but we still have to do the hard work.
要是有“天钩”当然好,但我们还是得踏踏实实把难活干完。

In aerospace engineering, a skyhook concept uses a rotating tether to pick up a payload and boost it upward.
在航天工程里,“天钩”概念会利用旋转的系绳抓取载荷,并把它加速送往更高处。

词源 Etymology

sky + hook 的合成词,字面意思是“天空中的钩子”。早期多用于口语或修辞中,表示不可能存在、却被当作解决方案的东西(类似“空中楼阁”的味道)。后来该词也被借用到航天构想中,指用“钩/系绳”在空中或轨道进行捕获、提升的技术设想。

相关词 Related Words

文学与著名作品 Literary Works

  • **Daniel C. Dennett, Darwin’s Dangerous Idea**:用 “skyhook” 作隐喻,对比“凭空的解释”与“逐步构建的解释”。
  • **Neal Stephenson, Seveneves**:在航天与轨道工程相关的叙述语境中出现/涉及类似“skyhook(天钩/系绳)”概念。
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