dual的例句（dual在句子中的用法）

• Dual x - ray absorptiometry was used to measure bone mineral density. 双能 X 线骨密度仪被用来股的矿物质密度.
• ...the department's dual role as overseer of oil production and safety. 该部门作为监管石油生产与安全的机构的双重身份
• Rob may be entitled to dual nationality. 罗布或许能拥有双重国籍。
• ...his dual role as head of the party and head of state... 他作为政党领袖和国家元首的双重身份