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(28) ǰ ֵ ü 帮ڰ, ǰ ., û, , dz , ؾ ü ڽϴ. (29) ڽϴ. (30) ü ڽϴ.
κ ߺ ϳ Ư ȿ , (29) ħ ߺγ(. -15 ) ϵ, ϳ, (30) ħ Ϻ.ο . ߽ -10 ܷ ڽϴ.
, ϰ κ 0~5 ܰ ǰڽϴ.
(29) ħ -16~0, ְ 1~8 ǰڽϴ.
(30) ħ -12~0, ְ 0~7 ǰڽϴ.
(28) (18~21) 泲ǰ ., , (γؾ ), 泲γ, ֵ(갣 ħ) ְڰ, γؾȰ ϼγ ְڽϴ. , (18) ǿ Ѷ ְڰ, (21~24) 泲ǺϺγ ְڽϴ.
û / (28) - 泲μؾ, ϼؾ, (29 ħ) ֵ갣, ֵ, ︪.: 1~3cm/ 5mm ̸ - 泲(μؾ ), ., ϳ, (γؾ ), 泲γ, ֵؾ: 1cm ̸/1mm ̸ - , γؾ, ϼγ: 0.1cm ̸ .
(29) (15~18) (18~24) ְڰ, ǰ û, ϺϺγ, Ϻϵ Ѷ ְڽϴ. , (03~06) ħ(06~09) 泲ؾȰ ؾȿ ְڽϴ.
/ (29) - (30 ) ︪.: 3~8cm/ 5mm - : 1~3cm/ 5mm ̸ - , û, ؾ, ϺϺγ, Ϻϵ: 0.1cm ̸ .
(29) չٴٿ ٶ 35~65km/h(10~18m/s) ſ ϰ Ұ, 2.0~4.0m ſ ϰ, س ϴ ǰ ε˴ϴ.
, (28) 㿡 ߺθչٴٸ κ ػ dzƯ ǰ, ĺ ظչٴٸ ٽ ٶ ϰ Ұ, ſ ϰڽϴ.
(28) ؾȰ ٶ dz 55km/h(15m/s) ̻ ϰ Ұڽϴ.
, (29) ĺ Ϻϵ ٶ ſ ϰ Ұڽϴ.
Ư ȿ ؾȰ λ, γؾ, κ ǿ Ⱑ ſ ϰڽϴ.
(28) ߱ ߺ濡 ġ ڸ , ûǰ а ްڽϴ.
(29) ߱ ߺ濡 ġ ڸ , ߺ ĺ а ްڽϴ.
(30) ߱ αٿ ̵ϴ ްڽϴ.
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