基准坐标系的默认命名为( )从0开始。 A: DTMn B: PNTn C: CSn D: A_ _n
基准坐标系的默认命名为( )从0开始。 A: DTMn B: PNTn C: CSn D: A_ _n
L-24 听录音选择正确答案[音频]Q：what happened to CSN 6606？ A: radar contact lost B: navigation system failure C: poor visility D: disorientation
L-24 听录音选择正确答案[音频]Q：what happened to CSN 6606？ A: radar contact lost B: navigation system failure C: poor visility D: disorientation
L-25 听录音选择正确答案[音频]Q: what happened to CSN 3660? A: engine failure B: engine fire C: landing in the field D: landing field is too far
L-25 听录音选择正确答案[音频]Q: what happened to CSN 3660? A: engine failure B: engine fire C: landing in the field D: landing field is too far
L-25 听录音选择正确答案[音频]Q: what does CSN 3606 want to do? A: declare distress B: cancel mayday C: restart the engine D: request priority landing
L-25 听录音选择正确答案[音频]Q: what does CSN 3606 want to do? A: declare distress B: cancel mayday C: restart the engine D: request priority landing
下列化合物中，属于螯合物的是（ ） A: K2[PtCl4] B: [Cu(en)2]Cl2 C: (NH4)[Cr(CSN)4(NH3)2] D: K3[Ag(S2O3)2]
下列化合物中，属于螯合物的是（ ） A: K2[PtCl4] B: [Cu(en)2]Cl2 C: (NH4)[Cr(CSN)4(NH3)2] D: K3[Ag(S2O3)2]
L-18 听录音选择正确答案[音频]What does the controller want CSN 302 to do next? A: continue visual approach B: continue use radar vector C: report aircaft distance to the runway D: request landing clearance from Tower
L-18 听录音选择正确答案[音频]What does the controller want CSN 302 to do next? A: continue visual approach B: continue use radar vector C: report aircaft distance to the runway D: request landing clearance from Tower