Russian ⇄ Chinese English

поправка на зону малых скоростей stresses
O&G	correction for weathering; low-velocity-layer correction
O&G, oilfield.	weathering correction
oil	weathering effect; correction for low-velocity layer; correction for near-surface layer; correction for weathering variations; near-surface correction

поправка на зону малых скоростей: 9 phrases in 5 subjects

Makarov	3
Mining	1
Oil / petroleum	2
Oil and gas	2
Seismology	1