瑙佸井鐭ヨ憲锛岄椈寮︽瓕鑰岀煡闆呮剰
2019-2020
灞婂鑰?/p>
闈掗渼鏈夎矾缁堥』鍒帮紝閲戞鏃犲悕瑾撲笉杩橈紒
2019-2020
骞撮珮鑰冨鑰?/p>
婀栧寳鐪佹姹夊競
2019
灞婇珮涓夌涓�娆℃ā鎷熻�冭瘯
鐞嗙患鐗╃悊璇曢
浜屻�?/p>
閫夋嫨棰橈細
鏈ぇ棰樺叡
8
灏忛锛?/p>
姣忓皬棰?/p>
6
鍒嗐�?/p>
鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓�夐」涓紝
绗?/p>
14-18
棰樺彧鏈変竴椤圭鍚堥鑷姹傦紝绗?/p>
19-21
棰樻湁澶氶」绗﹀悎棰樼洰瑕佹眰銆傚叏
閮ㄩ�夊鐨勫緱
6
鍒嗭紝閫夊浣嗕笉鍏ㄧ殑寰?/p>
3
鍒嗐�傛湁閫夐敊鐨勫緱
0
鍒嗐�?/p>
14.
涓ょ墿浣撳悓鏃朵粠鍚屼竴浣嶇疆鍑哄彂锛?/p>
浜岃�呯殑閫熷害闅忔椂闂村彉鍖栫殑鍏崇郴濡傚浘鎵�绀猴紝
涓嬪垪璇存硶姝ｇ‘鐨勬槸
A.t=2s
鏃讹紝涓ょ墿浣撶浉閬?/p>
B.
鐩搁亣鍓嶏紝涓ょ墿浣撳湪
t =1s
鏃朵袱鐗╀綋闂磋窛绂绘渶澶?/p>
C. t =1s
鏃讹紝涓ょ墿浣撶浉璺?/p>
0.5m
D. t =3s
鏃讹紝涓ょ墿浣撶浉璺?/p>
1.5m
15.
濡傚浘鎵�绀猴紝
鍗曞対閲戝睘绾垮湀鍗婂緞涓?/p>
r
1
锛?/p>
鐢甸樆涓?/p>
R
锛?/p>
鍐呴儴瀛樺湪涓�鍦嗗舰鍖哄煙鍖�
寮虹鍦猴紝纾佸満鍖哄煙鍗婂緞涓?/p>
r
2
锛岀鎰熷簲寮哄害闅忔椂闂寸殑鍙樺寲涓?/p>
B=kt(k>0
锛?/p>
锛岀