1
1
骞抽潰鐩磋鍧愭爣绯?/p>
浜屻�佸钩琛屼簬鍧愭爣杞寸殑鐩寸嚎鐨勭偣鐨勫潗鏍囩壒鐐癸細
骞宠浜?/p>
x
杞?/p>
(
鎴栨í杞?/p>
)
鐨勭洿绾夸笂鐨勭偣鐨勭旱鍧愭爣鐩稿悓锛涘钩琛屼簬
y
杞?/p>
(
鎴栫旱杞?/p>
)
鐨勭洿绾夸笂鐨勭偣鐨勬í鍧愭爣鐩稿悓銆?/p>
涓夈�佸悇璞￠檺鐨勮骞冲垎绾夸笂鐨勭偣鐨勫潗鏍囩壒鐐癸細
绗竴銆佷笁璞￠檺瑙掑钩鍒嗙嚎涓婄殑鐐圭殑妯旱鍧愭爣鐩稿悓锛涚浜屻�佸洓璞￠檺瑙掑钩鍒嗙嚎涓婄殑鐐圭殑妯旱鍧愭爣鐩稿弽銆?/p>
鍥?/p>
銆?/p>
涓庡潗鏍囪酱銆佸師鐐瑰绉扮殑鐐圭殑鍧愭爣鐗圭偣锛?/p>
鍏充簬
x
杞村绉扮殑鐐圭殑妯潗鏍囩浉鍚?/p>
,
绾靛潗鏍囦簰涓虹浉鍙嶆暟銆傚叧浜?/p>
y
杞村绉扮殑鐐圭殑绾靛潗鏍囩浉鍚?/p>
,
妯潗鏍囦簰涓虹浉鍙嶆暟
鍏充簬鍘熺偣瀵圭О鐨勭偣鐨勬í鍧愭爣銆佺旱鍧愭爣閮戒簰涓虹浉鍙嶆暟
浜斻�佺壒娈婁綅缃偣鐨勭壒娈婂潗鏍囷細
鍏�佺敤鍧愭爣琛ㄧず骞崇Щ锛氳涓嬪浘
涓�銆佸垽鏂
锛?/p>
1
锛夊潗鏍囧钩闈笂鐨勭偣涓庡叏浣撳疄鏁颁竴涓�瀵瑰簲锛?/p>
锛?/p>
锛?/p>
5
锛夎嫢鐩寸嚎
杞达紝鍒?/p>
涓婄殑鐐规í鍧愭爣涓�瀹氱浉鍚岋紙
锛?/p>
锛?/p>
2
锛夋í鍧愭爣涓?/p>
0
鐨勭偣鍦?
杞翠笂锛?/p>
锛?/p>
锛?/p>
6
锛夎嫢
锛屽垯鐐?/p>
P
锛?
锛夊湪绗簩鎴栫涓夎薄闄愶紙
锛?/p>
锛?/p>
3
锛夌旱鍧愭爣灏忎簬
0
鐨勭偣涓�瀹氬湪
杞翠笅鏂癸紙
锛?/p>
锛?/p>
7
锛夎嫢
锛屽垯鐐?/p>
P
锛?/p>
锛夊湪
杞存垨绗竴銆佷笁璞￠檺锛?/p>
锛?/p>
锛?/p>
4
锛夊埌
杞淬�?
杞磋窛绂荤浉绛夌殑鐐逛竴瀹氭弧瓒虫í鍧愭爣绛変簬绾靛潗鏍囷紙
锛?/p>
浜屻�侀�夋嫨棰?/p>
1
銆?/p>
鑻ョ偣
P
飥?/p>
飥?/p>
n
m
,
鍦ㄧ浜岃薄闄愶紝鍒欑偣
Q
飥?/p>
飥?/p>
n
m
飥?/p>
飥?/p>
,
鍦紙
锛?/p>
A
锛庣涓�璞￠檺
B
锛庣浜岃薄闄?/p>
C
锛庣涓夎薄闄?/p>
D
锛庣鍥涜薄闄?/p>
2
銆?/p>
鐐?/p>
P
鐨勬í鍧愭爣鏄?/p>
-3
锛屼笖鍒?/p>
x
杞寸殑璺濈涓?/p>
5
锛屽垯
P
鐐圭殑鍧愭爣鏄紙
锛?/p>
A.
锛?/p>
5
锛?/p>
-3
锛夋垨锛?/p>
-5
锛?/p>
-3
锛?/p>
B.
锛?/p>
-3
锛?/p>
5
锛夋垨锛?/p>
-3
锛?/p>
-5
锛?/p>
C.
锛?/p>
-3
锛?/p>
5
锛?/p>
D.
锛?/p>
-3
锛?/p>
-5
锛?/p>
3
銆?/p>
濡傛灉鐐?/p>
M
鍒?/p>
x
杞村拰
y
杞寸殑璺濈鐩哥瓑锛屽垯鐐?/p>
M
妯�佺旱鍧愭爣鐨勫叧绯绘槸
锛?/p>
锛?/p>
A
锛庣浉绛?/p>
B
锛庝簰涓虹浉鍙嶆暟
C
锛庝簰涓哄�掓暟
D
锛庣浉绛夋垨浜掍负鐩稿弽鏁?/p>
4
銆佸湪骞抽潰鐩磋鍧愭爣绯讳腑锛岀偣
飥?
飥?
2
,
1
2
飥?/p>
飥?/p>
m
涓�瀹氬湪
锛?/p>
锛?/p>
A
锛庣涓�璞￠檺
B
锛庣浜岃薄闄?/p>
C
锛庣涓夎薄闄?/p>
D
锛庣鍥涜薄闄?/p>
鍧愭爣杞翠笂
鐐?/p>
P
锛?/p>
x
锛?/p>
y
锛?/p>
杩炵嚎骞宠浜?/p>
鍧愭爣杞寸殑鐐?/p>
鐐?/p>
P
锛?/p>
x
锛?/p>
y
锛夊湪鍚勮薄闄?/p>
鐨勫潗鏍囩壒鐐?/p>
璞￠檺瑙掑钩鍒嗙嚎涓?/p>
鐨勭偣
X
杞?/p>
Y
杞?/p>
鍘熺偣
骞宠
X
杞?/p>
骞宠
Y
杞?/p>
绗竴璞?/p>
闄?/p>
绗簩璞?/p>
闄?/p>
绗笁璞?/p>
闄?/p>
绗洓璞?/p>
闄?/p>
绗竴銆?/p>
涓夎薄闄?/p>
绗簩銆?/p>
鍥?/p>
璞￠檺
(x,0)
(0,y)
(0,0)
绾?/p>
鍧?/p>
鏍?/p>
鐩?/p>
鍚?/p>
妯潗鏍囦笉鍚?/p>
妯潗鏍囩浉鍚岀旱
鍧愭爣涓嶅悓
x
锛?/p>
0
y
锛?/p>
0
x
锛?/p>
0
y
锛?/p>
0
x
锛?/p>
0
y
锛?/p>
0
x
锛?/p>
0
y
锛?/p>
0
(m,m)
(m,-m)
P
锛?/p>
x
锛?/p>
y
锛?/p>
P
锛?/p>
x
锛?/p>
y
锛?/p>
a
锛?/p>
P
锛?/p>
x
锛?/p>
a
锛?/p>
y
锛?/p>
P
锛?/p>
x
锛?/p>
a
锛?/p>
y
锛?/p>
P
锛?/p>
x
锛?/p>
y
锛?/p>
a
锛?/p>
鍚戜笂骞崇Щ
a
涓崟浣?
鍚戜笅骞崇Щ
a
涓崟浣?
鍚戝彸骞崇Щ
a
涓崟浣?
鍚戝乏骞崇Щ
a
涓崟
浣?