radiolarian chert
基本解释
- [地球科学]放射虫燧石
英汉例句
- There exists abundant Radiolaria in the chert, and the radiolarian association suggests that the chert was formed in the last period of Late Jurassic.
硅质岩中含有大量放射虫，放射虫组合显示硅质岩的沉积时代为晚侏罗世晚期。
双语例句
词组短语
- radiolarian bedded chert 放射虫硅质岩
短语
专业释义
- 放射虫燧石