BRF指的是
举一反三
- 下列物质属于非质子传递溶剂的是（） A: CHOH B: HO C: SO D: BrF E: NH
- In May 2017, on the first BRF for international cooperation, President Xi said: We should strengthen cooperation in frontier areas, such as digital economy and so on, linking them into the _______ .
- 通过（）能完成车辆路线模型、最短路径模型、网络物流模型等功能。 A: AGPS B: BRF C: CEDI D: DGIS
- In May 2017， on the first BRF for international cooperation， President Xi said： We should strengthen cooperation in frontier areas， such as digital economy and so on， linking them into the _______ .（ ） A: digital Silk Road of the 21st century B: big data Silk Road C: Online Silk Road D: Silk Road Fiber Optic Cable
- 【填空题】在材料力学中σ指的是(),τ指的是(),ε指的是(),γ指的是()