绗?/p>
2
鑺?/p>
姘斾綋鍒嗗瓙杩愬姩涓庡帇寮?/p>
姘斾綋鍒嗗瓙杩愬姩鐨勭粺璁¤寰?/p>
1
锛庢皵浣撳垎瀛愭案涓嶅仠鎭湴鍋氭棤瑙勫垯杩愬姩锛屽悓涓�鏃跺埢閮芥湁鍚戜笉鍚屾柟鍚戣繍鍔ㄧ殑鍒嗗瓙锛岄�熺巼涔熸湁澶?/p>
鏈夊皬锛庝笅琛ㄦ槸姘ф皵鍒嗗埆鍦?/p>
0
鈩冨拰
100
鈩冩椂锛屽悓涓�鏃跺埢銆佷笉鍚岄�熺巼鍖洪棿鍐呯殑鍒嗗瓙鏁板崰鎬诲垎
瀛愭暟鐨勭櫨鍒嗘瘮锛岀敱琛ㄨ兘寰楀嚭缁撹
(
)
鎸夐�熺巼澶у皬鍒掑垎
鐨勫尯闂?(m路s
锛?/p>
1
)
鍚勯�熺巼鍖洪棿鐨勫垎瀛愭暟
鍗犳�诲垎瀛愭暟鐨勭櫨鍒嗘瘮
/%
0 鈩?/p>
100 鈩?/p>
100
浠ヤ笅
1.4
0.7
100
锝?/p>
200
8.1
5.4
200
锝?/p>
300
17.0
11.9
300
锝?/p>
400
21.4
17.4
400
锝?/p>
500
20.4
18.6
500
锝?/p>
600
15.1
16.7
600
锝?/p>
700
9.2
12.9
700
锝?/p>
800
4.5
7.9
800
锝?/p>
900
2.0
4.6
900
浠ヤ笂
0.9
3.9
A
锛庢皵浣撳垎瀛愮殑閫熺巼澶у皬鍩烘湰涓婃槸鍧囧寑鍒嗗竷鐨勶紝姣忎釜閫熺巼鍖洪棿鐨勫垎瀛愭暟澶ц嚧鐩稿悓
B
锛庡ぇ澶氭暟姘斾綋鍒嗗瓙鐨勯�熺巼澶勪簬涓棿鍊硷紝灏戞暟鍒嗗瓙鐨勯�熺巼杈冨ぇ鎴栬緝灏?/p>
C
锛庨殢鐫�娓╁害鍗囬珮锛屾皵浣撳垎瀛愮殑骞冲潎閫熺巼涓嶅彉
D
锛庢皵浣撳垎瀛愮殑骞冲潎閫熺巼鍩烘湰涓婁笉闅忔俯搴︾殑鍙樺寲鑰屽彉鍖?/p>
绛旀
B
瑙ｆ瀽
涓ょ娓╁害涓嬶紝閫熺巼浣庝簬
200
m/s
鍜岄珮浜?/p>
700
m/s
鐨勫垎瀛愭暟鏄庢樉杈冨皯锛?/p>
A
閿欒锛?/p>
200
m/s
鍒?/p>
700 m/s
涔嬮棿鐨勫垎瀛愯緝澶氾紝
B
姝ｇ‘锛涘彲鏄庢樉鐪嬪嚭锛屾俯搴﹀崌楂樻椂锛岄�熺巼澶х殑鍖洪棿鍒?/p>
瀛愭暟鍙樺锛岄�熺巼灏忕殑鍖洪棿鍒嗗瓙鏁板彉灏戯紝
C
銆?/p>
D
閿欒锛屾晠閫?/p>
B.
2
锛?/p>
1859
骞撮害鍏嬫柉闊︿粠鐞嗚涓婃帹瀵煎嚭浜嗘皵浣撳垎瀛愰�熺巼鐨勫垎甯冭寰嬶紝鍚庢潵鏈夎澶氬疄楠岄獙璇佷簡杩?/p>
涓�瑙勫緥锛庤嫢浠ユí鍧愭爣
v
琛ㄧず鍒嗗瓙閫熺巼锛岀旱鍧愭爣
f
(
v
)
琛ㄧず鍚勯�熺巼鍖洪棿鐨勫垎瀛愭暟鍗犳�诲垎瀛愭暟
鐨勭櫨鍒嗘瘮锛庡鍥炬墍绀虹殑鍚勫箙鍥句腑鑳芥纭〃绀烘煇涓�娓╁害涓嬫皵浣撳垎瀛愰�熺巼鍒嗗竷瑙勫緥鐨勬槸
________
锛?/p>
(
濉�夐」瀛楁瘝
)