Acoustic

(noun.) a remedy for hearing loss or deafness.

(adj.) of or relating to the science of acoustics; 'acoustic properties of a hall' .

校对:贾斯廷

• The acoustic properties of churches and other buildings were improved by the adaptation of banks of fine wires to prevent the re-echoing of sounds. 威廉·亨利·杜利特. 世纪发明.
• Then came the researches and publications of Helmholtz and K?nig on acoustic science, 1862-1866. 威廉·亨利·杜利特. 世纪发明.
• The science of _acoustics_ and its practical applications have greatly advanced, chiefly due to the researches of Helmholtz, referred to above. 威廉·亨利·杜利特. 世纪发明.

富兰克林校对