基本解釋[地球科學(xué)]放射性碳地層學(xué)英漢例句雙語(yǔ)例句Because they rely on estimation, relative techniques like stratigraphy are considered less precise than absolute techniques, like radiocarbon dating or verification from written records.因爲(wèi)他們象地層學(xué)那樣依賴(lài)相關(guān)的技術(shù)進(jìn)行推測(cè)，其精確度不如用放射性碳元素?cái)喽ɑ蚋鶕?jù)記錄來(lái)斷定年代的方法。radiocarbon stratigraphy更多例句專(zhuān)業(yè)釋義地球科學(xué)放射性碳地層學(xué)