以下是关于【声音的特征】的公开课/优质课视频，一共179个
1:01:4438-
43:4370 -
46:5678 -
30:5088 -
43:57120 -
38:12112 -
43:4633 -
39:34108 -
43:13104 -
34:4178 -
40:12107 -
36:2081 -
20:5585 -
49:2828 -
06:38127 -
06:00113 -
27:1437 -
29:0913 -
06:598 -
04:5173 -
06:2660 -
05:30116 -
03:3523 -
45:24108 -
1:01:02102 -
03:17127 -
58:13132 -
40:0928 -
38:03104 -
06:00101 -
35:2422 -
39:4366 -
47:51120 -
44:4672 -
43:4331 -
1:06:06133 -
45:27113 -
07:2246 -
39:3548 -
41:3263 -
43:57102 -
35:2197 -
50:17119 -
1:01:4429 -
1:06:1221 -
35:2480 -
39:2395 -
36:20132 -
40:1421 -
18:4599 -
33:17122 -
52:2168 -
43:115 -
17:0319 -
1:01:02123 -
1:03:4263 -
1:04:4297 -
52:3051 -
21:5413 -
55:05101 -
38:03130 -
17:46126 -
52:2033 -
42:2240 -
1:03:4268 -
45:1721 -
30:5028 -
34:53114 -
28:5379 -
48:31137 -
42:2465 -
40:4965 -
53:0395 -
30:0556 -
39:4470 -
43:45138 -
44:3724 -
34:41120 -
1:06:5033 -
52:3048 -
48:5530 -
24:467 -
25:0632 -
46:4353 -
35:0217 -
48:56131 -
42:5588 -
37:4983 -
1:06:127 -
21:56125 -
21:5646 -
44:59136 -
43:1010 -
05:50134 -
43:1095 -
47:515 -
37:4348 -
40:0325 -
42:5276 -
44:38108