Multichannel sparker recording has recently come into use for shallow-penetration . 多道火花發(fā)生器記錄系統(tǒng),最近開始已在淺層勘測中應(yīng)用。
The sparker was originally developed for fundamental studies of underwater sound propagation and of subbottom geology . 火花發(fā)生器原來是為了進(jìn)行關(guān)于水下聲波傳播及海底地質(zhì)的基礎(chǔ)性研究而制造的。
英文解釋
a wire net to stop sparks from an open fireplace or smokestack 同義詞:spark arrester,