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课时1:2020_U2_Part_1_intro_waves
25:46
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课时2:2020_U2_Part_2_superposition_standing_wave
41:51
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课时3:2020_U2_Part_3_reflection_refraction_diffraction
41:31
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课时4:2020_U2_Part_4_Interference_phase_difference_path_difference
28:36
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课时5:2020_U2_Part_5_light_sound_pulse_echo_detection
25:53
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课时6:2020_U2_part_6_polarisation
27:54
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课时7:2020_U2_Part_7_photoelectric_effect
50:24
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课时8:2020_U2_Part_8_energy_level
31:00
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课时9:Unit_2_part_10_transport_equation
24:05
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课时10:Unit_2_part_11_electical_rule_internal_resistance
30:09
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课时11:Unit_2_part_9_electrical_quantities
32:26
工作时间: 8:30 - 17:30
培诺教育: 4008118532