What is Nostr?
dave /
npub1tsg…htk4
2023-02-09 01:19:54
in reply to nevent1q…lj0g

dave on Nostr: ...

ABS()是一个数学函数,它可以返回一个数字的绝对值,即不考虑它是正数还是负数,例如abs(-5)= 5。
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