渚?/p>
1
.
濡傚浘锛屽凡鐭ュ湪鐭╁舰
ABCD
涓紝
AD
=8
锛?/p>
CD
=4
锛岀偣
E
浠庣偣
D
鍑哄彂锛屾部绾挎
DA
浠ユ瘡绉?/p>
1
涓崟浣嶉暱鐨勯�熷害鍚戠偣
A
鏂瑰悜绉诲姩锛屽悓鏃剁偣
F
浠庣偣
C
鍑哄彂锛屾部灏勭嚎
CD
鏂瑰悜浠ユ瘡绉?/p>
2
涓崟浣?/p>
闀跨殑閫熷害绉诲姩锛屽綋
B
锛?/p>
E
锛?/p>
F
涓夌偣鍏辩嚎鏃讹紝涓ょ偣鍚屾椂鍋滄杩愬姩锛庤鐐?/p>
E
绉诲姩鐨勬椂闂翠负
t
锛堢锛?/p>
锛?/p>
锛?/p>
1
锛夋眰褰?/p>
t
涓轰綍鍊兼椂锛屼袱鐐瑰悓鏃跺仠姝㈣繍鍔紱
锛?/p>
2
锛夎鍥涜竟褰?/p>
BCFE
鐨勯潰绉负
S
锛屾眰
S
涓?/p>
t
涔嬮棿鐨勫嚱鏁板叧绯诲紡锛屽苟鍐欏嚭
t
鐨勫彇鍊艰寖鍥达紱
锛?/p>
3
锛夋眰褰?/p>
t
涓轰綍鍊兼椂锛屼互
E
锛?/p>
F
锛?/p>
C
涓夌偣涓洪《鐐圭殑涓夎褰㈡槸绛夎叞涓夎褰紱
锛?/p>
4
锛夋眰褰?/p>
t
涓轰綍鍊兼椂锛屸垹
BEC
=
鈭?/p>
BFC
锛?/p>
渚?/p>
2
.
姝ｆ柟褰?/p>
ABCD
杈归暱涓?/p>
4
锛?/p>
M
銆?/p>
N
鍒嗗埆鏄?/p>
BC
銆?/p>
CD
涓婄殑涓や釜鍔ㄧ偣锛?/p>
褰?/p>
M
鐐?/p>
鍦?
BC
涓婅繍鍔ㄦ椂锛屼繚鎸?/p>
AM
鍜?/p>
MN
鍨傜洿锛?/p>
锛?/p>
1
锛夎瘉鏄庯細
Rt
Rt
ABM
MCN
鈻?/p>
鈭?/p>
鈻?/p>
锛?/p>
锛?/p>
2
锛夎
BM
x
飥?/p>
锛屾褰?/p>
ABCN
鐨勯潰绉负
y
锛屾眰
y
涓?/p>
x
涔嬮棿鐨勫嚱鏁板叧绯诲紡锛涘綋
M
鐐硅繍鍔ㄥ埌
浠�涔堜綅缃椂锛屽洓杈瑰舰
ABCN
闈㈢Н鏈�澶э紝骞舵眰鍑烘渶澶ч潰绉紱
锛?/p>
3
锛夊綋
M
鐐硅繍鍔ㄥ埌浠�涔堜綅缃椂
Rt
Rt
ABM
AMN
鈻?/p>
鈭?/p>
鈻?/p>
锛屾眰姝ゆ椂
x
鐨勫�硷紟
渚?/p>
3
.
濡傚浘锛屽湪姊舰
ABCD
涓紝
3
5
4
2
45
AD
BC
AD
DC
AB
B
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飩?/p>
鈭?/p>
锛?/p>
锛?/p>
锛?/p>
锛屸垹
锛?
鍔?/p>
鐐?/p>
M
浠?/p>
B
鐐瑰嚭鍙戞部绾挎
BC
浠ユ瘡绉?/p>
2
涓崟浣嶉暱搴︾殑閫熷害鍚戠粓鐐?/p>
C
杩愬姩锛?/p>
鍔ㄧ偣
N
鍚屾椂浠?/p>
C
鐐?/p>
鍑哄彂娌跨嚎娈?/p>
CD
浠ユ瘡绉?/p>
1
涓崟浣嶉暱搴︾殑閫熷害鍚戠粓鐐?/p>
D
杩愬姩锛庤杩愬姩鐨勬椂闂翠负
t
绉掞紟
锛?/p>
09
骞存祹鍗椾腑鑰冿級
锛?/p>
1
锛夋眰
BC
鐨勯暱銆?/p>
锛?/p>
2
锛夊綋
MN
AB
鈭?/p>
鏃讹紝姹?/p>
t
鐨勫�硷紟
锛?/p>
3
锛夎瘯鎺㈢┒锛?/p>
t
涓轰綍鍊兼椂锛?/p>
MNC
鈻?/p>
涓虹瓑鑵颁笁瑙掑舰锛?/p>
渚?/p>
1.
瑙ｏ細
锛?/p>
1
锛夊綋
B
锛?/p>
E
锛?/p>
F
涓夌偣鍏辩嚎鏃讹紝涓ょ偣鍚屾椂鍋滄杩愬姩锛屽鍥?/p>
2
鎵�绀猴紟鈥︹�︹�︼紙
1
鍒嗭級
鐢遍鎰忓彲鐭ワ細
ED
=
t
锛?/p>
BC
=8
锛?/p>
FD
= 2
t
-
4
锛?/p>
FC
= 2
t
锛?/p>
鈭?/p>
ED
鈭?/p>
BC
锛?/p>
鈭粹柍
FED
鈭解柍
FBC
锛?/p>
鈭?
F
D
E
D
F
C
B
C
飥?/p>
锛?/p>
鈭?
2
4
2
8
t
t
t
飥?/p>
飥?/p>
锛庤В寰?/p>
t
=4
锛?/p>
A
B
C
D
E
F
O
A
D
C
B
M
N
D
M
A
B
C
N
鍥?/p>
2
A
B
C
D
E
F