The system of liquid state (943) Alabounds in the following bond types: 1551,1541 and 1431. The percentages ofthem are 16.8%, 15.2% and 21.5% respectively. The sum of them reaches 54%.

• 从键型结构来分析，系统中1551、1541和1431键型大量存在，分别约为16.；8%25、15