transmission reference point zero level

zero transmission level reference point

zero-transmission level reference point

ZTLP Zero Transmission Level Point

zero point level

zero reference point

noise level reference point

Transmission Level Point

TRP Transmission Reference Point

absolute zero point

absolute zero-point

actual zero point

address， zero-level

automatic zero-point correction

auto-modulate zero point

autotracking zero point

Biological zero point

communication during voltage across zero point

Derivable at the point zero