There is a plan to prevent such a strike—the Space Surveillance Network, a bevy of sensors that the military uses to track space debris. NASA monitors what’s unofficially known as the “pizza box,” a sort of no-fly zone around the ISS. When pieces of debris are predicted to enter the box—if there’s at least a 1 in 100,000 chance of collision—mission controllers order avoidance maneuvers, firing thrusters that move the ISS and dodge the trash. The technique has been used dozens of times since the first ISS module launched in 1998. But the system only tracks about 45,000 larger pieces, and all sensors have noise. Plus, risk thresholds can miss stuff, sometimes badly. In 2025, Chinese astronauts were briefly stranded at their station after debris hit their return vehicle.
如何让创新药真正走向患者，成为吴德沛近些年履职的出发点。一方面，他与相关创新药企业开展联合研究，推动临床研究加速，让更多患者在规范的临床研究中获得治疗机会。“很多创新药还没上市，但已经在临床研究中展现出效果，对不少患者来说，进入临床研究就是新的希望。创新必须走向临床，最终回到患者身上。”吴德沛说。
，这一点在搜狗输入法2026中也有详细论述
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