相对密度
相对密度是指某一温度下物质的质量与同体积某一温度下水的质量之比,以符号d表示。
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/707261.html
上一篇:下列资产中属于我国国际储备的是①美元②越南盾③货币黄金④特别提款权
下一篇:Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets. Any business needs ( )against such risks as fire, flood, and earthquake.(insure)
Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
Any business needs ( )against such risks as fire, flood, and earthquake.(insure)