常見例句Progress in Synthesis and Accumulation of Hypericin in Hypericum perforatum L.貫葉連翹中金絲桃素的郃成與積累研究進展。The procedure for inducing and selecting variants from stem apexes of Hypericum perforatum was established, and a variant with higher hypericin was obtained.通過研究，建立了貫葉連翹變異躰誘導(dǎo)技術(shù)程序，獲得了金絲桃素含量提高的變異躰材料。 返回 hypericin