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课时1:charge_and_current_1
23:23
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课时2:charge_and_current_2
19:20
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课时3:charge_and_current_3
20:37
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课时4:charge_and_curent_4
16:52
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课时5:current_rules_1
23:31
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课时6:current_rules_2
27:39
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课时7:current_rules_3
17:44
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课时8:diffraction
20:29
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课时9:energy_and_ascillations
16:28
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课时10:energy_level
14:22
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课时11:forced_oscillation
13:13
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课时12:interference_1
20:41
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课时13:interference_2
19:10
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课时14:oscillation_and_waves_1
27:35
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课时15:photoelectricity
29:33
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课时16:polarised
21:54
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课时17:refraction
18:35
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课时18:standing_wave
17:36
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课时19:superposition
22:02
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课时20:transverse_wave
20:14
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课时21:wave-particle_duality
04:17
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课时22:x-ray
09:36
工作时间: 8:30 - 17:30
培诺教育: 4008118532