X字彙

X
X (reactance)
X band
X-ON/X-OFF

X.2
X.21
X.25
X.28
X.29
X.3
X.400
X.75
XC (capacitive reactance)
XCVR (transceiver)
XLT (Greeting telegram)
XMIT (transmit)
XMT/RCV (transmit and receive)
XMTR (transmitter)
XTLO (crystal oscillator)

XTAL (crystal)
XTAL OSC (crystal oscillator)

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