Frontal characteristics the activity of a front in terms of weather depends upon the vertical motion in the air masses.
锋的特征从天气方面来说，锋的活跃程度依靠空气团的垂直运动。
2
Weather fronts are bound up with a frontal cyclone.
天气的锋面和锋面气旋密切相关。
3
The cold front the weather conditions observed at cold fronts are equally variable, depending upon the stability of the warm sector air and the vertical motion relative to the frontal zone.