So we should on the basis of prediction and index, considering the fertilization, trying to conserve the trees and doing some chemical cure, implement integrative management.

The dynamic changes of EEG may reflect the prognosis of ATI patients, and may be the guidance for clinical treatment and an important index for estimation of cure.

In the seasonal frost regions, more attention is often paid to frost heave index in the aspect of prevention and cure of roadbed frost damage.