因此，利用肩峰相对高度，可推导出一个类型指数L值，作为判断母质类型的新指标。

Therefore, it could develop a new type index (l) for the evaluation of the type of source materials by the relative height of shoulder peak.

youdao

因此，利用肩峰相对高度，可推导出一个类型指数L值，作为判断母质类型的新指标。

Therefore, it could develop a new type index (l) for the evaluation of the type of source materials by the relative height of shoulder peak.

youdao