initial culture造句

morphology of muskrat scent glands and initial culture of the glands epithelium
麝鼠香囊腺形态学观察及腺上皮体外培养初报
the process of initial culture showed quite difference in various hostas . h . ventricosa and h . " so sweet " were easier, while h . " frances williams " and h . " gold standard " were difficult . using shoot tip ( peak bud ) as explant was proved the effective method for improving survival ratio when hostas would defoliate or have defoliated in autumn or winter rather than in summer
玉簪属不同种类的组培初代建立存在着一定的差异，如h.ventricosa和h.‘sosweet’较容易建立，而h.‘franceswilliams’和h.‘goldstandard’比较困难；应在冬季玉簪属植物将要落叶或已落叶后取茎尖(顶芽)进行初代建立，最好避开夏季，来提高初代建立的成活率。
It's difficult to find initial culture in a sentence. 用initial culture造句挺难的