示意圖一 (IMAGE) Hong Kong University of Science and Technology Caption 示意圖一:水的示意相圖(坐標軸非按比例繪製)。區分液態水與水蒸氣的邊界終止於臨界點,使兩者可連續融合為單一物質相。相比之下,冰具有不同的晶體對稱性,其相界不會在臨界點終止。 Credit 香港科技大學 Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.