A.制造太阳翼的主要材料中含有高纯度二氧化硅 |
B.舱外机械臂由合金制成,有高强度、耐腐蚀和耐低温等特性 |
C.问天实验舱使用了石墨烯导热索技术,石墨烯属于新型无机非金属材料 |
D.核心舱配置的离子推进器以氙和氩气作为推进剂,氙和氩都属于稀有气体 |

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

