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61 In this thesis, the study is focused on the characteristics of distributed sound source and its using in the active acoustical structure as the secondary source, including the foll.

62 Parkinson who began research on sound transmission through ducts with acoustical material lining, questions of calculating sound attenuation by the dissipative mufflers have been ta...

63 One of the dissatisfaction of office workers focuses on the acoustical environment.

64 The significant factor, which influences the indoor acoustical environment, is the sound transmission within corridor.

65 The results proved that the acoustical holography is an effective method in identification of noise source on a moving vehicle.

66 Sound absorption materials is always used in controlling reverberation time in the acoustical design of studios.

66 Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.

67 Research of acoustical environment of classrooms is a current hotspot in architectural acoustics.

68 It also gives an introduction to the malfunction and its debugging when locating the quality index of the acoustical image graphics.

69 Listening to jazz, classical, and roll, R & B, country, or folk is a kind of acoustical travel.

70 Specific acoustical measurements were also carried out on 1:20 scale model of the Siracusa theatre.

71 In view of the actual condition, this paper paid more attention to the cylinder acoustical holography algorithm in half-free space that is more applied.