ˮλ
ˮλô
ˮλָˮˮ̶߳ϵĸ̡߳1ˮλ ˮλû棬֣ͨһǾԻ棬...
ʲôˮλ?
νˮλָǰׯ̿⸶ϵˮ˵Բijӣˮ֮ˮ˵ij...
ˮλʲô˼˵ĺˮˮλĶˮλ...
ˮλ1ˮˮijһϵĸ̳߳Ϊˮλ.ˮλĵλ,һҪС2λ,0.01m.ˮλΪ,...
ˮλʲô˼
ˮλĽ [water level] ˮˮĸ߶ ϸ (1).Ӻˮˮĸ߶ȡһijΪ ...
ˮλô?ô?
ݼ⣺ʵʱˮˮλ١ˮʵݣƵʿɵ24СʱУ̬...
ÿˮλô
ݲѯٶȾʾÿˮλķ1ˮλѯС2½ǵġŴ3ˮĵ...
ʲôˮλ?
ˮλĶ壺ˮλָˮˮ̶߳ϵĸ̡߳ˮλ䵥λΪףˮλû棬ͨ...
ˮλȷ?
УˮλָڽˮУʱݹ̵ʵҪȷˮλͨ鹤...
μˮˮλ?
˵ǿͨIJˮλ1.ȷܵеvԼܵA2.ݹܵԡܶȵȲ...