6.The square regulation graded index fiber is considered to have fairly good dispersion property because the near axle meridian light in the fiber may focalize automatically.
7.Methandriol was injected into the ear meridian of a rabbit, and then the anabolic steroid methandriol in the plasma was successfully detected with the established method.
8.An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.