锻件的物理性能(如强度、延展性和韧性)远好于基础金属，因为基础金属的晶粒是无序排列的。
Physical properties (such as strength, ductility and toughness) are much better in a forging than in the base metal, which has crystals randomly oriented.
说明：下面文章划线部分的译文已经给出，但是它们被分割成若干部分并且无序排列。在每个题号的译文中有两项是多余的。
Directions: the translated texts of the underlined segments of the following article have been given to you, but they are divided into several parts and in disorder.
在无序区域，水分子之间更为紧密，使他们的密度比以四面体结构排列的区域高。
Inthe disordered regions, water molecules are more closely packed, makingthem denser than regions where the molecules are arranged in atetrahedral structure.
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