瀛﹀勾绗簩瀛︽湡鏉愭枡鍔涘璇曢
(A
鍗?/p>
)
棰樺彿
涓�
浜?/p>
涓?/p>
鍥?/p>
浜?/p>
鍏?/p>
鎬诲垎
寰?/p>
鍒?/p>
涓�銆?/p>
閫夋嫨棰?/p>
锛?/p>
20
鍒?/p>
锛?/p>
1
銆佸浘绀哄垰鎬ф
AB
鐢辨潌
1
鍜屾潌
2
鏀壙锛屽凡鐭ヤ袱鏉嗙殑鏉愭枡鐩稿悓锛岄暱搴︿笉绛夛紝
妯埅闈㈢Н鍒嗗埆涓?/p>
A
1
鍜?/p>
A
2
锛岃嫢杞借嵎
P
浣垮垰姊佸钩琛屼笅绉伙紝鍒欏叾妯埅闈㈤潰绉?/p>
锛?/p>
锛夈�?/p>
A
銆?/p>
A
1
銆?/p>
A
2
B
銆?/p>
A
1
銆?/p>
A
2
C
銆?/p>
A
1
=A
2
棰樹竴銆?/p>
1
鍥?/p>
D
銆?/p>
A
1
銆?/p>
A
2
涓轰换鎰?/p>
2
銆佸缓绔嬪渾杞寸殑鎵浆搴斿姏鍏紡
蟿
蟻
=M
蟻
蟻
/I
蟻
鏃堕渶鑰冭檻涓嬪垪鍥犵礌涓殑鍝嚑
涓紵绛旓細锛?/p>
锛?/p>
锛?/p>
1
锛夋壄鐭?/p>
M
T
涓庡壀搴斿姏
蟿
蟻
鐨勫叧绯?/p>
M
T
=
鈭?/p>
A
蟿
蟻
蟻
dA
锛?/p>
2
锛夊彉褰㈢殑鍑犱綍鍏崇郴锛堝嵆鍙樺舰鍗忚皟鏉′欢锛?/p>
锛?/p>
3
锛夊壀鍒囪檸鍏嬪畾寰?/p>
锛?/p>
4
锛夋瀬鎯�х煩鐨勫叧绯诲紡
I
T
=
鈭?/p>
A
蟻
2
dA
A
銆侊紙
1
锛?/p>
B
銆侊紙
1
锛夛紙
2
锛?/p>
C
銆侊紙
1
锛夛紙
2
锛夛紙
3
锛?/p>
D
銆佸叏閮?/p>
3
銆佷簩鍚戝簲鍔涚姸鎬佸鍥炬墍绀猴紝鍏舵渶澶т富搴斿姏
蟽
1
=
锛?/p>
锛?/p>
A
銆佅?/p>
B
銆?/p>
2
蟽
C
銆?/p>
3
蟽
D
銆?/p>
4
蟽
棰樹竴銆?/p>
3
鍥?/p>
4
銆侀珮搴︾瓑浜庡搴︿袱鍊?/p>
(h=2b)
鐨勭煩褰㈡埅闈?/p>
绗?/p>
1
椤靛叡
44
椤?/p>
棰樹竴銆?/p>
4