绗竷绔?/p>
鍒氫綋鐨勭畝鍗曡繍鍔ㄧ粌涔犻
涓�銆佸垽鏂
1.
鍦ㄥ垰浣撹繍鍔ㄨ繃绋嬩腑锛岃嫢鍏朵笂鏈変竴鏉＄洿绾垮缁堝钩琛屼簬瀹冪殑鍒濆浣嶇疆锛岃繖绉嶅垰浣撶殑杩愬姩灏辨槸
骞冲姩銆?/p>
锛?/p>
锛?/p>
2.
瀹氳酱杞姩鍒氫綋涓婁笌杞姩杞村钩琛岀殑浠讳竴鐩寸嚎涓婄殑鍚勭偣鍔犻�熷害鐨勫ぇ灏忕浉绛夛紝鑰屼笖鏂瑰悜涔熺浉鍚屻�?/p>
3.
鍒氫綋浣滃钩鍔ㄦ椂锛屽叾涓婂悇鐐圭殑杞ㄨ抗鍙互鏄洿绾匡紝鍙互鏄钩闈㈡洸绾匡紝涔熷彲浠ユ槸绌洪棿鏇茬嚎銆?/p>
4.
鍒氫綋浣滃畾杞磋浆鍔ㄦ椂锛屽瀭鐩翠簬杞姩杞寸殑鍚屼竴鐩寸嚎涓婄殑鍚勭偣锛屼笉浣嗛�熷害鐨勬柟鍚戠浉鍚岃�屼笖鍏跺姞
閫熷害鐨勬柟鍚戜篃鐩稿悓銆?/p>
5.
涓や釜浣滃畾杞磋浆鍔ㄧ殑鍒氫綋锛岃嫢鍏惰鍔犻�熷害濮嬬粓鐩哥瓑锛屽垯鍏惰浆鍔ㄦ柟绋嬬浉鍚屻�?/p>
6.
鍒氫綋骞冲姩鏃讹紝鑻ュ垰浣撲笂浠讳竴鐐圭殑杩愬姩宸茬煡锛屽垯鍏跺畠鍚勭偣鐨勮繍鍔ㄩ殢涔嬬‘瀹氥�?/p>
7.
瀹氳酱杞姩鍒氫綋涓婄偣鐨勯�熷害鍙互鐢ㄧ煝绉〃绀轰负
v=
蠅脳
r
锛屽叾涓紝蠅鏄垰浣撶殑瑙掗�熷害鐭㈤噺锛?/p>
r
鏄粠瀹氳酱涓婁换涓�鐐瑰紩鍑虹殑鐭㈠緞銆?/p>
锛?/p>
锛?/p>
浜屻�侀�夋嫨棰?/p>
1.
鍦嗚疆缁曞浐瀹氳酱
O
杞姩锛屾煇鐬椂杞紭涓婁竴鐐圭殑閫熷害
v
鍜屽姞閫熷害
a
濡傚浘鎵�绀猴紝璇曢棶閭?
浜涙儏鍐垫槸涓嶅彲鑳界殑锛?/p>
A
锛?/p>
a
锛?/p>
锛?/p>
b
锛夌殑杩愬姩鏄笉鍙兘鐨勶紱
B
锛?/p>
a
锛?/p>
锛?/p>
c
锛夌殑杩愬姩鏄笉鍙兘鐨勶紱
C
锛?/p>
b
锛?/p>
锛?/p>
c
锛夌殑杩愬姩鏄笉鍙兘鐨勶紱
D
鍧囦笉鍙兘銆?/p>
2.
鍦ㄥ浘绀烘満鏋勪腑锛屾潌
锛屾潌
锛?
涓?
cm
锛?
cm,
CM
=
MD
= 30cm,
鑻ユ潌
浠ヨ閫熷害
鍖�閫熻浆鍔紝鍒?/p>
D
鐐圭殑閫熷害鐨勫ぇ灏忎负
------cm/3
锛?/p>
M
鐐?/p>
鐨勫姞閫熷害鐨勫ぇ灏忎负
------
銆?/p>
A.60
B.120
C.150.
D.360