Traditional Culture Encyclopedia - Traditional festivals - The following are several methods and steps to observe the blade structure. The correct arrangement order is: ① Put fresh leaves flat on the glass slide; (2) transverse fast cutting.

The following are several methods and steps to observe the blade structure. The correct arrangement order is: ① Put fresh leaves flat on the glass slide; (2) transverse fast cutting.

The process of making slide specimens of leaves is: 1. Put the fresh leaves flat on a small wooden board. 2. Pinch the two leaves side by side with your right hand. 3. Cut the leaves horizontally quickly. 4. Put the slices in the gaps between the leaves into water. 5. Select the thinnest one to make temporary slices. Therefore, the order of experiments in the stem is: 3214.

So, the answer is: ①; ③; ②; ⑤; ④