color
color-code
colordrape
colored
color-encoded
combination
combine
combined
commercial
commissioning
  common
common-depth-point
common-midpoint
common-offset
common-receiver
common-shot
common-source
communication
commutator
compaction
company

    common source gather

    сейсмограмма общего пункта взрыва, сейсмограмма ОПВ