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permittivity造句
31. The effect of permittivity of solid dielectrics , volume ratio of solid dielectrics , discharge gap, voltage polarity and voltage type on breakdown voltage and corona onset voltage is studied. 32. Diamond has many characters, such as high thermal, low permittivity, high band gap, super high hardness, low friction etc, which makes it possible to be widely used in industry. 33. A perturbation test method of rectangular cavity is discussed for determination of complex permittivity of dielectric materials at microwave frequencies. 34. E the elementary charge raised to the fourth power divided by eight times the square of the permittivity of vacuum times the square of the Planck constant times Z squared over n squared. 35. A network analyzer system is used to make frequency-swept S-parameter measurements on the loaded stripline fixture from which complex permittivity and complex permeability may be calculated. 36. Based on the resonance characteristics of the back scattering RCS, a reconstruction scheme for recovering the transverse permittivity of an anisotropic plate is proposed. 37. A calibrated expression relating permittivity and moisture content of oil-free pressboard is presented by using experiment data and dielectric frequency spectra.