high frequency造句
31. Frequency domain: total frequency components ( TF ), low frequency components ( LF ), high frequency components ( HF ).
32. A capacitive proximity switch works with a high frequency oscillating circuit that creates an electromagnetic field on the active sensor surface by means of a capacitor.
33. With very low loss at high frequency, alumina(96%, 99%), beryllium oxide(BeO)and aluminium nitride(AlN)ceramics are excellent substrates for microwave and RF circuits.
34. An inexpensive litz wire coil ensuring sufficiently high space factor and insusceptible to deterioration in characteristics even in high frequency region.
35. Objective:To analyze the high frequency ultrasound graphy and CDFI of the confirmed tuberculosis of epididymis and nonspecific epididymitis.
36. It is proved that the high frequency voltaic sensor and improved differential system and pulse polarity discriminating system can meet the requirement of partial discharge on-line detection system.
37. It can be typically used in high frequency common mode inductors and ADSL wide - band transformers.
38. The phenomenon that the effect of the high frequency modulation is better than that of the low frequency modulation is explained, and general rules of choosing modulator parameters are also presented.
39. The purificatory protoplasts were cultured in MS-1 medium and the high frequency division (about 36.4% ) of the regenerated cells was observed.
40. One of the important development emphases is to explore the technology and application of the VHF( Very High Frequency) data chain on the basis of TDMA technology.
41. Static Induction Thyristors ( SITH ), developed in recent years, are high frequency and high - power switching devices.
42. High frequency gusts are usually measured by high response research - oriented anemometers.
43. "The [mutation] rose to extremely high frequency in a relatively short time, implying that the selective force was quite strong, " Su says.
44. The mechanism, parameter design and application of a new type of high frequency electromagnetic anti-scaling equipment based on frequency scanning technique are discussed.
45. It was observed that many unsuccessful choppings happened in the arc unstable processes, which induced the high frequency oscillation of the arc voltage and current.
46. Up to now, some scholar to disinfect root canal with 1411 type high frequency electrotome.
47. Itcan enlarge images without loss of high frequency information, and make the enlarged imageclearer and richer.
48. Sound reflection sound shadow of high frequency imaging sonar detecting mine underwater was simulated with computer.
49. New challenge and good luck: Intellectual economy moustache is firm " intellectual economy " it is this year " two meetings " one of new terms with use extremely high frequency .
50. Produces the switch, the high frequency tuner, the power switch, the battery charger and so on.
51. High frequency radar is also a high frequency ground wave super resolution radar used on the seaside, and meantime it is one of projects of National 211 for building subject.
52. A series of microcrystalline silicon thin films were fabricated by very high frequency plasma enhanced chemical vapor deposition (VHF-PECVD) at different silane concentrations in a P chamber.
53. This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter.
54. Conclusions High frequency ultrasound with water-cushion, is an efficient and easy method for evalua ...
55. Whether this is due to shape factor of scatterers corresponding to the applied high frequency remain unclear to date.
56. Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
57. The research in this paper provides an effective way for design of high frequency relay.
58. Then some ways and means raising the stability of the high frequency circuit are provided to prevent and obviate the interferences.
59. High output capability and low distortion with excellent high frequency extension characterize these new drivers.
60. Including electrostatic field, the negative electric field, the - frequency field, high frequency anions, such as - infrared.
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