快好知 kuaihz


high-frequency造句
1. The human ear cannot hear very high-frequency sounds. 2. Different names are used to describe high-frequency hearing loss. 3. Other experts suggested the use of high-frequency sound waves or ultraviolet light. 4. Surgeons then insert another probe that emits high-frequency radio waves-similar to microwaves-heating the surrounding tissue and creating a small lesion. 5. They send a chart daily to mariners by high-frequency radio facsimile and over the Internet. 6. Production and sales of high-frequency transformer. FBT ignition coil. LNB. Switching power supplies. 7. Methods Using high-frequency sonography, the ultrasonic characteristics of salivary glands (parotid and submaxillary) in 15 Sjgren's syndrome patients were observed and summarized. 8. Electrocoagulation:Therapeutic use of a high-frequency electric current to bring about the coagulation and destruction of tissue. 9. The parameter design of high-frequency transformer, input and output circuit, IGBT circuit and resonant loop is introduced in detail. 10. For the production of high-frequency electric resistance welding steel casing series provides a strong raw material supply and technical support. 11. Conclusion The portable high-frequency argon-beam coagulatory haemostat is excellent and reliable. 12. Conclusion:High-frequency capacitors field treatment instrument, Milligan hemorrhoidectomy and PPH all are effective treatment methods for mixed hemorrhoid. 13. Conclusion It is obvious that the high-frequency hearing loss is caused by high intensity noise in artificial gem plant. 14. The machine comprises a high-frequency vibration draining screen in the upper part and a coal slurry buffer storage tank in the lower part. 15. Portable High-frequency Vibrator is a kind of vibration source for engineering detection and shallow seismic survey . 16. Operating Room Products: Anesthetic Machine, Anesthetic Monitor, High-Frequency Surgical Instruments, Shadowless Lamp, Operation Table, Purification System. 17. The analysis reported here has been motivated by investigations of high-frequency cellular oscillators with periods of the order of minutes or less. 18. This encouraged the natural impulse to whistle, and led in turn to the use of instrumental whistles emitting high-frequency sound. 19. Reportedly, the altitude of three hundred miles would also be ideal for the interception of high-frequency communications. 20. Objective: To identify the sonographic normal values and influencing factor of human vocal cord and false vocal cord and to confirm the value of high-frequency ultrasound applying to the larynx. 21. The novel technique proposed modifies the current coupling device in single-phase or three-phase electric power measuring equipment, and adds two high-frequency coupling windings to each. 22. Main circuit, which applies IGBT full-bridge inverter structure, is made up of rectifier, filter, high-frequency transformer and the latter inverter. 23. The Mission Modules for the AN/PRC-117G provide the radio with additional functionality such as a second wideband channel, high-frequency communications, ISR and jamming. 24. Running a transformer into the wrong load will alter its high-frequency roll-off and square wave response. 25. Objective:To evaluate the diagnostic value and clinical meaning of high-frequency ultrasound for plunge ranula. 26. In constant-current power supply to variable speed wire-feed system of SAW, the stability of arc voltage can be improved when using high-frequency, push-pull H-bridge driver wire-feed circuit. 27. In addition, the son buoys are not linked to the seabed, which has a very good floating performance, and can be able to test some of the high-frequency wave form. 28. Lateral channel migration, channel lobe switching, but also volcanic pulses generated a predominantly fining-upward high-frequency cyclicity./high-frequency.html 29. Functional relations between measured linewidth and optical parameters, structural parameters, oscillator coil and high-frequency rectangular pulse numbers have been derived in the paper. 30. The thrust curve of rolling-control engine is easily overlapped with high-frequency and wide-amplitude vibration signal during the test process, which makes the automatic data processing difficult.