distance between centres of lines；distance between centers of tracks；midway between tracks

distance offset distance

international bureau of weights and measures weightsand measures

preventive measures and remediable measures

Prophylactic measures and controlling measures

preventive measures and reme-diable measures

zero distance connection

2-distance chromatic number

2-distance coloring

3D distance image

3D distance transform

50 Hz industry disturbance

6-minute walking distance test

a long distance monitoring and controlling

a long-distance running

abeam distance

Abnormal Disturbance

Absolute distance

Absolute Distance Measurement