There are abundant evidences showing that earthquake in itself is an electromagnetic and chemicalinduction.
有证据表明，地震可能是一种电磁和化学效应。
2
In this thesis, the content and activity of DIMBOA in wheat seedlings and its biological and chemicalinduction effects were studied.
本文研究了小麦幼苗丁布的含量、活性及其化学诱导、生物诱导效应。
3
Emphasis is laid on the integration of sensory informations in the central nerve system of insects, plant compensation for insect damage, and induction of chemical defence in plants by herbivory.