Using the average values of the angles between the young and primary branches, to determine the paleosea current direction in the Middle Silurian Period is of actual significance in the exploration of mineral resource distribution.是什么意思_Using the average values of the angles between the young and primary branches, to determine the paleosea current direction in the Middle Silurian Period is of actual significance in the exploration of mineral resource distribution.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句