常見例句雙語例句Einstein studied the relation of energy and mass.聽一聽這篇關於愛因斯坦的故事。Einstein mass-energy relation expression is a important result of relativistic dynamics, and usually is known as the one of the signs of new era .愛因斯坦質能關系或是相對論動力學的一個重要成果，常被譽爲新時代的標志之一。 返回 Einstein relation