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силурийская
 силурийский
dril. Sil
| толща
 толща
forestr. depth
geol. series; rock mass
geophys. formation
goldmin. package
Makarov. strata
O&G geol. mass; section

to phrases
силурийский adj.stresses
dril. Sil (Silurian)
geol. Silurian
силурийская: 35 phrases in 8 subjects
Construction2
General1
Geochronology2
Geology24
Makarov1
Oceanography & oceanology1
Paleontology1
Stratigraphy3