Similar to 平均修復時間

Over-the-horizon radar

Partial-response maximum-likelihood

Plain old telephone service

Gradient-domain image processing

Polywell

P-type semiconductor

Q-switching

Q factor

RAIKO (satellite)

RF connector

Serial Copy Management System

SINAD

SMPTE 259M

Silicon on insulator

Solid Edge

Substitution–permutation network

STN display

Scattering parameters

S band

Transition-minimized differential signaling