  In this paper, we have selected a sample of 64 teraelectronvolt blazars, with
redshift, from those classified in the fourth Fermi Large Area Telescope source
catalog\footnote{\url{https://fermi.gsfc.nasa.gov/ssc/data/access/lat/8yr_catalog/}}.
We have obtained the values of the relevant physical parameters by performing a
log-parabolic fitting of the average-state multiwavelength spectral energy
distributions. We estimate the range of the radiation zone parameters, such as
the Doppler factor (${D}$), the magnetic field strength ($B$), the radiative
zone radius ($R$) and the peak Lorentz factor (${\gamma _{\rm p}}$) of
nonthermal electrons. Here, we show that (1) there is a strong linear positive
correlation between the intrinsic synchrotron peak frequency and the intrinsic
inverse Compton scattering (ICs) peak frequency among different types of
blazars; (2) if radio bands are excluded, the spectral index of each band is
negatively correlated with the intrinsic peak frequency; (3) there is a strong
linear negative correlation between the curvature at the peak and the intrinsic
peak frequency of the synchrotron bump, and a weak positive correlation between
the curvature at the peak and the intrinsic peak frequency of the ICs bump; (4)
there is a strong linear positive correlation between the intrinsic ICs peak
luminosity and intrinsic $\gamma$-ray luminosity and between the intrinsic ICs
peak frequency and peak Lorentz factor; (5) there is a strong negative linear
correlation between $\rm log{\;B}$ and $\rm log{\;\gamma_{p}}$; and (6) there
is no correlation between $\rm log{\;R}$ and $\rm log{\;\gamma_{p}}$.
