成员的完整列表，这些成员属于 apollo::canbus::VehicleSpd,包括所有继承而来的类成员

acc_est	apollo::canbus::VehicleSpd
ax	apollo::canbus::VehicleSpd
ax_offset	apollo::canbus::VehicleSpd
ay	apollo::canbus::VehicleSpd
ay_offset	apollo::canbus::VehicleSpd
is_ax_valid	apollo::canbus::VehicleSpd
is_ay_valid	apollo::canbus::VehicleSpd
is_vehicle_spd_valid	apollo::canbus::VehicleSpd
is_vehicle_standstill	apollo::canbus::VehicleSpd
is_wheel_spd_fl_valid	apollo::canbus::VehicleSpd
is_wheel_spd_fr_valid	apollo::canbus::VehicleSpd
is_wheel_spd_rl_valid	apollo::canbus::VehicleSpd
is_wheel_spd_rr_valid	apollo::canbus::VehicleSpd
is_yaw_rate_valid	apollo::canbus::VehicleSpd
lat_acc	apollo::canbus::VehicleSpd
long_acc	apollo::canbus::VehicleSpd
roll_rate	apollo::canbus::VehicleSpd
timestamp_sec	apollo::canbus::VehicleSpd
vehicle_spd	apollo::canbus::VehicleSpd
vert_acc	apollo::canbus::VehicleSpd
wheel_direction_fl	apollo::canbus::VehicleSpd
wheel_direction_fr	apollo::canbus::VehicleSpd
wheel_direction_rl	apollo::canbus::VehicleSpd
wheel_direction_rr	apollo::canbus::VehicleSpd
wheel_spd_fl	apollo::canbus::VehicleSpd
wheel_spd_fr	apollo::canbus::VehicleSpd
wheel_spd_rl	apollo::canbus::VehicleSpd
wheel_spd_rr	apollo::canbus::VehicleSpd
yaw_rate	apollo::canbus::VehicleSpd
yaw_rate_offset	apollo::canbus::VehicleSpd