姿态遥控模式下操纵无人机爬升,俯仰角偏高时,下列正确的操纵是()
A.应柔和地向前顶杆
B.应柔和地向后带杆
C.应柔和地向右扭舵
参考答案:A
How is your mother these days? Oh,()
A.She is good
B.She is not very well
C.Never mind
D.That's all right
代理商品按照与供应商的资金结算方式不同,经营模式分为()。
A.直销
B.经销
C.分销
D.代销