Multi-node fragments produced adventious roots and buds in a shorter time than mono-node fragments and developed to plantlets with a higher frequency. 另外与抛掷方式相比,扦插延长多节断枝的不定根和芽形成时间,但提高幼苗的形成频率。
Pompeii is like a "time capsule" preserving a frozen moment in history. 庞培古城如同一粒时间胶囊,保存了历史上一段被封存了的瞬间。