1.Most of the wild and cultivated strains are secondarily homothallic mating type in life-cycle, but some wild strains are heterothallic.
大部分野生和栽培的双孢蘑菇菌株和品种具有次级同宗配合的性特征,也有少数野生菌株属于异宗配合的类。
2.1,3,5-trioxane is an important chemical used primarily as a monomer for the production of high-molecular weight polyacetals and secondarily as a chemical intermediate.
甲醛是一种重要的化工产品,主要用作生产甲醛工程塑料的单体,也用作化工中间体。
3.trioxane is an important chemical used primarily as a monomer for the production of high-molecular weight polyacetals and secondarily as a chemical intermediate.