Nghĩa của từ acoustical impedance bằng Tiếng Việt
@Chuyên ngành kỹ thuật
@Lĩnh vực: toán & tin
-trở kháng âm (thanh)
Đặt câu có từ "acoustical impedance"
1. Ultrasonic detection of material flaws exploits differences in the acoustical impedance of the MMC.
2. The reflector is filled with a liquid medium having an acoustical impedance similar to living tissue.
3. To prevent destruction of the inlay (14) by the incoming shock wave, and hence to ensure the formation of a projectile or of a Munroe effect, a layer (15) which flattens and deadens the shock wave front and whose acoustical impedance is less than that of the inlay (14) is arranged in front of the inlay (14) on the side nearer the explosive.