dave on Nostr: ...
当具有单色光穿过某种特定介质时，它的频率会改变，但是其波长也会随之改变，以保持相同的传播速度。
dave /
npub1ts…khtk4
2023-02-10 16:50:51
in reply to nevent1q…cnt6
Author Public Key
npub1tsgw6pncspg4d5u778hk63s3pls70evs4czfsmx0fzap9xwt203qtkhtk4Published at
2023-02-10 16:50:51Event JSON
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