单词 | Sound wave |
例句 | 1. Short sound waves bounce off even small objects. 2. Sound waves cannot travel through a vacuum. 3. Sound waves are measured by their amplitude. 4. Sound waves bounce off objects in their path. 5. Sound waves will not travel through a vacuum. 6. Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second. 7. Sound waves can go where light cannot. 8. The telephone changes sound waves into electrical signals. 9. Sound waves can also travel through solids, even such as bricks and mortar. 10. Vibrations or sound waves cause the eardrum to vibrate and these vibrations move through the middle ear to the inner ear. 11. A sound wave has a much greater chance of being scattered and absorbed by such dense vegetation. 12. The ear picks up sound waves and converts them into signals that it sends to the brain. 13. Sound waves travel more easily through solid objects than through the air. 14. The device works by bouncing sound waves off objects and measuring the time it takes for the sound to return. 15. There is sound wave where there is sound. 16. Where there is a sound, there is sound wave. 17. A sound wave causes periodic rarefactions in its medium. 18. Based on the practice of the use of sound wave transillumination in pier foundation test, analysis is made on the related precautions during pier foundation quality assessment and onsite test. 19. Discharge the shaking box of ultra sound wave flexibly according to the actual demand. 20. The machine can compute the time it takes a sound wave to bounce back. 21. The free-flowing water across the surface serves to dampen these sound waves and minimize the problem. 22. In such experiments, the disturbance is usually provided as a sound wave from a nearby loudspeaker. 23. My equipment can be set at a frequency to emit sound waves that will obviate that effect. 24. And so the difference between a bullet and a sound wave is established. 25. At these higher frequencies, radio uses a mixture of vibrating electric and magnetic fields instead of fluctuating sound waves. 25. is a sentence dictionary, on which you can find excellent sentences for a large number of words. 26. The chamber, which simply bolts on to an end can, filters out specific sound waves midway along the silencer. 27. This kind of liquid state lens are composed of a pair of waterdrop , they expose under the high frequency sound wave travel between the vibration, changes lens' focal distance along with it. 28. Enhancement of the second harmonic signal in biological tissues with the pulse inversion technique is herein analyzed, based on the theory of the finite amplitude sound wave. 29. The test shows there is a good effect when sound wave used in cartridge fliter in pulse injection foundation. The best combination way is starting pulse injection and sound wave at the same time. 30. The outer ear ( the pinna ) receives a single sound wave composed of different sounds. 31. Expenses for repairing and maintenance were reduced after the low frequency sound wave deashing device was used. 32. Clouds after another, the sound wave Buddha, give people the impression that time had passed slowly. 33. When a sound wave strikes the spheres at one end of the acoustic lens, the sound gets converted into a type of shock wave known as a solitary wave. 34. Gravity compresses the gas in denser regions and, depending on the phase of the sound wave , can alternately enhance or counteract sonic compression and rarefaction. 35. It is useful to the measurement of transmitted time of sound wave in acoustic pyrometry and to the sound source location of 'four-tubes' leaking in boiler based on TDE. 36. Broadband: A band of light wave or sound wave with a wide range of frequencies. 37. In this paper, A method for measuring the speed of sound in air by means of a new sound wave prober was described. 38. Vibrating objects produce sound waves, each vibration producing one sound wave. 39. As ultrasound travels, air distorts the sound wave, creating audible frequencies. 40. Sound Pressure Level (SPL) Sound pressure level is a measurement of the pressure fluctuations of a sound wave as it propagates through the air. 41. The article introduces the features, principles, functions and design of askby sound wave of electrostatic precipitator. 42. Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency. 43. The decline effect of fabric on sound wave has the chractaristic of frequency alternative. 44. The mechanism for low noise asphalt pavement to lower tyre noise is analyzed. A acoustical model is put forward. The resonance frequency of sound wave is analyzed with Helmholtz resonator model. 45. The rules and effect of power sound wave (PSW) on porosity and permeation of coal or rock were analyzed. 46. For instance, the shell explodes when produces the sound wave could not hear outside several kilometers, but it produces the infrasonic wave, actually may pass to outside 80 kilometers. 47. Sound wave has information about scalar field and vector field. But pressure sensor was predominant in underwater acoustic field for a long time. 48. So if you're standing in front of the ultrasonic sound wave, you can hear the sound. 49. Expenses for repairing and maintenance were reduced after the frequency sound wave deashing device was used. 50. The sound wave energy is used in the amplifying system, and the stochastic human-machine interaction control function is realized. 51. It makes up of pedrail style drive organization, ultra sound wave cleaning trough, spray system, drying system, circulation filter system and separate device of oil and fog. 52. Vector acoustic field is a very important part of sound wave, but the vector information of acoustic wave has been unwitnessed for a long time. 53. This movie demonstrates the particle position and differential pressure of sound wave. 54. It is well known that sound wave has both scalar quantity field and vector quantity field. 55. Transmission equation of acoustic wave in layered media is given. By numerical calculation, the effects of acoustic parameters of each layer on the sound wave reflection and attenuation is analyzed. 55. try its best to collect and make good sentences. 56. The joyous sound wave drifted through the golden evening mist. 57. The tweeter emits the sound wave, then the capacitor microphone receives the echo. 58. It analyzed the transmission rule of sound wave in steel tubular welding construction aims at the geometry of tube-tube joints. 59. The plane wave error is always negative windage, when the sound wave is the cycle function of space and time. 60. The disturbance is sound wave, conforming to the laws of acoustic propagation in solids. |
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