成员的完整列表，这些成员属于 roboctrl::device::aim_target,包括所有继承而来的类成员

fire (定义于 roboctrl::device::aim_target)	roboctrl::device::aim_target
legacy_mode (定义于 roboctrl::device::aim_target)	roboctrl::device::aim_target
pitch (定义于 roboctrl::device::aim_target)	roboctrl::device::aim_target
yaw (定义于 roboctrl::device::aim_target)	roboctrl::device::aim_target