Ultimately, the most rigorous traceability solutions, including QR codes and microchips, won't be useful if people don't actually check them as a condition of making their purchases. Imitators can simply counterfeit QR code labels, for example.
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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.
（四）传播不实信息。杜撰经历、仿冒身份，传播伪科普、伪史学等伪知识，虚构夸大产品、服务效果，未作标注编造剧情、摆拍演绎，混淆视听。
* @param {number[]} nums2 - 基准数组（nums1的元素都来自这里）