基本解釋[地球科學(xué)]主應(yīng)變軸詞組短語(yǔ)短語(yǔ)principal axis of strain tensor 應(yīng)變張量主軸principal strain axis更多詞組專(zhuān)業(yè)釋義地球科學(xué)主應(yīng)變軸