Isaacman pointed to hydrogen leaks on Artemis I and helium flow problems on Artemis II as signs that a three‑year gap between launches is not sustainable. When teams only fly every few years, he said, they lose "muscle memory" — the routine, hands-on experience required to handle a complex rocket safely and efficiently.
🧠 Part 2. 亮点功能实测：挑战“不可能三角”
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第三届沙特国际手工艺周期间，当地小朋友体验中国鱼灯舞，感受非遗魅力。
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