标准地层 meaning in Chinese
marker bed
Examples
- Scholars have studied the salawusu stratum which is regarded as late - pleistocene river - lake standard stratum in north of china by traditional geological method , and have acquired some basic opinions . but there are some defferent opinions in age range , sediment environment , sediment mechanism , at the same time , studying degree is not enough either
学者们运用传统地质理论和方法进行的我国北方晚更新世河湖相标准地层-萨拉乌苏地层第四纪研究取得了一些共识，但在年代归属、沉积环境及沉积机理等方面仍然存在着分歧，研究程度还很不够。