NHL还真试过发光球，但效果不好就放弃了。也有建议在球里装sensor，以方便裁判判断是否进球，但NHL没做过。

来源: EOMM 于 2022-02-12 13:20:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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