生物标志物中类异戊二烯含量较低、植烷与姥鲛烷均势；
The features of the biomarkers in the oil are of relatively low abundance of isoprenoidies, and no preference between pristane and phytane.
类异戊二烯有个跟醇类一样的优势，那便是它们是许多有机体中生物化学成分所含有的。
Isoprenoids have the advantage that, like alcohols, they are part of the natural biochemistry of many organisms.
类萜是从植物中分离出的一类类异戊二烯物质，其中挥发萜类物质直接影响着植物的芳香品质。
Terpenoid is a class of isoprenoids isolated from plants, of which volatile terpenoids are directly involved in aroma formation in plants.
芳基类异戊二烯化合物被认为是高盐和强还原沉积环境中沉积有机质芳烃馏分中的特征性生物标志物。
Aryl isoprenoid compounds in the aromatic fraction of sedimentary organic matter have been regarded as a biomarker that indicates a saline and strongly reducing sedimentary environment.
芳基类异戊二烯化合物被认为是高盐和强还原沉积环境中沉积有机质芳烃馏分中的特征性生物标志物。
Aryl isoprenoid compounds in the aromatic fraction of sedimentary organic matter have been regarded as a biomarker that indicates a saline and strongly reducing sedimentary environment.
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