次生矿床
secondary deposit
deposit of secondary origin
次生气藏
secondary gas reservoir
secondary gas pool
Secondary gas accumulation
Secondary pools
secondary gas resorvoir
次生物质
secondary metabolotes
secondary compound
secondary metabolites
secondary metabolite
Secondary substances
secondary substance
secondary compounds
plant secondary metabolites
allelopathicsubstance
allelochemicals
巴克豪生一库次振荡器
Barkhousen-Kurtz oscillator