1、The sample analysis showed that the nature gas at this area belonged to methane biogenetic gas.
氣樣組分分析表明，該區(qū)天然氣屬甲烷型生物成因氣。

2、The bacteria related to the biogenetic karstification have been found in many samples of gypsum.
在所研究的樣品中，都檢測到這些可發(fā)生生物巖溶作用的菌類。

3、The most common biogenetic minerals are carbonates, sulfides and iron oxides.
最普遍的生物成因礦物有碳酸鹽、硫化物和鐵的氧化物。

biogenetic翻譯