指标化合；标准化石

index fossils;leading fossils

暂无补充释义。

相关词条

Index to Scientific & Technical Proceedings，ISTP

profitability index

predictive index【计划】

nucleoplasmic index (Hertwig 1903)

the Dow Jones industrial index average soared to 9580 points

Dow-Jones 30 industrial average index【金融】

topological index

nutrient index