The element-geochemical features reflect that hybridism of continental crust occurs in the source area.

元素地球化学特征反映了陆源地壳杂化。

The element-geochemical features reflect that the magma comes from enriched mantle and that hybridism of continental crust occurs in the source area.

火山岩的元素地球化学特征反映岩浆来自富集地幔，在源区存在陆壳的混染作用。

The origin and utilizing value of weedy rices were discussed according to their hybridism, stomata distribution disordered i. e. middle stomata on leaves, etc.

对杂草稻的特征特性进行了描述，对其利用价值进行了探讨。