尤其是在中东局势扰动、全球市场不确定性增加的背景下，各大集团将更加注重扩张的质量与效率，行业将从“跑马圈地”转向对运营效率的精耕细作。
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// 核心逻辑：维护单调递增栈，仅当k0时移除高位大数
Mostly. This is because, theoretically, we could still save the ISS and move it into higher orbit. NASA has calculated that propelling the station more than 640 kilometers above Earth would keep it alive for 100 years—and also require at least 18.9 metric tons of propellant. That’s roughly 2,000 airline carry-ons. A thousand years would require at least 36 metric tons. If that doesn’t seem like very much, consider the fact that, right now, no vehicle can transport that amount of gas to the station. The still-in-development SpaceX megarocket Starship might be able to haul a significant percentage, but it would struggle to dock with the station, according to the space agency’s estimations.
Дарья Устьянцева (редактор отдела «Мир»)