Similar to 平面三項環

6PPD

911 (emergency telephone number)

AI safety

Broyden–Fletcher–Goldfarb–Shanno algorithm

C23 (C standard revision)

CYP1A1

DBSCAN

Deletionpedia

Distributed-queue dual-bus

Limited-memory BFGS

QR decomposition

Einstein problem

Partition of unity

Axiom (computer algebra system)

Bcrypt

Brilliant (website)

A∞-operad

PSL(2,7)

Abelian group

Axonometry

Apollonian circles

Artinian module

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