不均匀
In many beams, the section properties are clearly not uniform. 在许多梁中，其截面特性很明显是不均匀的。
The reason of air distribution being asymmetric is that the penetrability of the field soil is not uniform. 现场曝气存在气流分布不对称现象，是由于土壤介质的渗透性不均匀所致。
