ƽմĤ^(gu)VMͨ֞ͨմĤ^(gu)VMͶͨմĤ^(gu)VMڂy(tng)մɲϻA(ch)ϰl(f)չ(li)һNܸM(jn)մ^(gu)Vɴ(50-150m)ߏ(qing)ȵĶմ֧w(x)մɱVĤ(0.1-10m)M
@NĤϽY(ji)(gu)մ^(gu)Vϵ^(gu)Vֽ^(gu)VϵwQ˂y(tng)^(gu)Vϵϴy(wn)}^(gu)Vȸ^(gu)VСϴܺõȃ(yu)c(din)մĤ^(gu)VԪɏV(yng)ڸNwҺwĸ߾^(gu)V
ƽմĤ^(gu)VMO(sh)Ӌ(j)жNʽ(j)ɷNĤ(gu)O(sh)Ӌ(j)ƽ嘋(gu)ͺʽ(gu)ʽ;ʽĤMʹƽĤܠë(x)ܺпwSģMʹùʽĤ(du)ڹI(y)ʹõĤMĤbܶÿɏĔ(sh)ٵǧƽף(j)ͬa(chn)ʹÎׂ(g)(sh)ق(g)ĤM