关于材料物性指标称谓的注记１９８６年国家标准局制定的有关量与单位的国家标准ＧＢ３１００－３１０２（下简称标准），是我国科学技术方面的重要基础文件。表１列出的是ＧＢ３１０２．３－８６中有关比重、容重等力学量和单位作出的规定。表中只给出了量的单位名称、符... Notes on the title of physical properties of materials The national standard GB3100-3102 (hereinafter referred to as the standard) for quantities and units formulated by the National Bureau of Standards in 1986 is an important basic document for science and technology in China. Table 1 lists the provisions made by GB3102.3-86 for the mechanical quantities and units such as specific gravity and bulk density. The table only gives the amount of unit name, character...