Remember that after inoculation, Petri dishes are incubated in an inverted position ( top down ) to prevent condensation that forms on the cover during solidification from dropping down onto the surface of the hardened agar.

• 记得在接种后，培养皿要倒著放，以避免在凝固时水气凝集在盖子上而滴入到硬化后的洋菜培养基表面。