proterozoic era 中文意思是什麼

proterozoic era 解釋
元古代
  • proterozoic : n. ,adj. 【地質學;地理學】元古代[元古界](的)。
  • era : n 1 紀元;年代,時代。2 【地質學;地理學】代。1 Emergency Relief Administration 〈美舊〉緊急救濟...
  1. Four tectonic evolution phases have been made out in this area. they are original crust formed in the archean - early proterozoic era, continental crust shearing in the middle - new proterozoic era, plate tectonic developed in sinian - triassic period and intracontinental orogeny in the middle cenozoic period

    將區內構造演化歸納為太古?早元古代原始地殼形成、中新元古代大陸地殼裂解、震旦?三疊紀板塊構造體制、中新生代陸內造山等四個演化階段。
  2. The progeny of vocahic spurting injinningian is studied through isotopic era, which belonys to the morning of new proterozoic era

    經同位素年齡研究屬晉寧期火山噴發產物,時代歸屬為新元古代早期。
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