缂栬緫鐗?/p>
word
涓�閫夋嫨棰橈細
1
銆佺悊鎯充簩鏋佺鐨勫弽鍚戠數闃讳负锛?/p>
B
锛?/p>
銆?/p>
A
闆?/p>
B
鏃犵┓澶?/p>
C
绾﹀嚑鐧惧崈娆?/p>
D
浠ヤ笂閮戒笉瀵?/p>
1.
鍦ㄦ崲璺灛闂达紝涓嬪垪鍚勯」涓櫎
( B )
涓嶈兘璺冨彉澶栵紝鍏朵粬鍏ㄥ彲璺冨彉銆?/p>
(a)
鐢垫劅鐢靛帇
(b)
鐢靛鐢靛帇
(c)
鐢靛鐢垫祦
4.
鍦ㄧ數鎰熸�ц礋杞戒袱绔苟鑱斾竴瀹氬�肩殑鐢靛锛屼互鎻愰珮鍔熺巼鍥犵礌锛屼笅鍒楄娉?/p>
姝ｇ‘鐨勬槸锛?/p>
D
锛?/p>
銆?/p>
(A)
鍑忓皯璐熻浇鐨勫伐浣滅數娴?/p>
(B)
鍑忓皯璐熻浇鐨勬湁鍔熷姛鐜?/p>
(C)
鍑忓皯璐熻浇鐨勬棤鍔熷姛鐜?/p>
(D)
鍑忓皯绾胯矾鐨勫姛鐜囨崯鑰?/p>
5.
褰?/p>
涓?/p>
鐩?/p>
浜?/p>
娴?/p>
鍙?/p>
鐢?/p>
鏈?/p>
鐨?/p>
涓?/p>
涓?/p>
缁?/p>
缁?/p>
杩?/p>
鎺?/p>
鎴?/p>
鏄?/p>
褰?/p>
鏃?/p>
锛?/p>
鑻?/p>
绾?/p>
鐢?/p>
鍘?
V
t
u
BC
)
180
sin(
2
380
飥?/p>
飥?/p>
飦?/p>
锛屽垯鐩哥數鍘?/p>
飥?/p>
C
u
锛?/p>
D
锛?/p>
銆?/p>
(a)
V
t
)
30
sin(
2
220
飥?/p>
飦?/p>
(b)
V
t
)
30
sin(
2
380
飥?/p>
飦?/p>
(c)
V
t
)
120
sin(
2
380
飥?/p>
飦?/p>
锛?/p>
d
锛?
220
2
sin(
30
)
t
飦?/p>
飥?/p>
o
6.
涓や釜瀹屽叏鐩稿悓鐨勪氦娴侀搧蹇冪嚎鍦堬紝鍒嗗埆宸ヤ綔鍦ㄧ數鍘嬬浉鍚岃�岄鐜囦笉鍚?/p>
(f1>f2)
鐨勪袱鐢垫簮涓嬶紝姝ゆ椂绾垮湀鐨勭閫?/p>
1
鍜?/p>
2
鍏崇郴鏄?/p>
(
B )
銆?/p>
(a)
1 >
2
(b)
1<
2
(c)
1=
2
7.
涓�璐熻浇鐢甸樆涓?/p>
RL
锛岀粡鍙樺帇鍣ㄦ帴鍒板唴闃?/p>
R0
锛?/p>
800
惟鐨勭數婧愪笂锛屽彉鍘嬪櫒
鍘熴�?/p>
鍓粫缁勭殑棰濆畾鐢垫祦涓?/p>
2A
锛?/p>
20A
锛?/p>
鑻ヤ娇浠庡彉鍘嬪櫒鍘熺粫缁勭湅杩涘幓鐨勭瓑
鏁堣礋杞界數闃?/p>
RL
鈥诧紳
R0
鏃讹紝鍒?/p>
RL
绛変簬锛?/p>
B
锛?/p>