These parts of bundles in the stem be regarded as leaf trace.

这种维管束斜生于茎内的部分，称为叶迹。

The article proposes the experimental method of observing the spatial structure of plants leaf trace and leaf crack.

通过实验研究提出了观察植物叶迹、叶隙立体结构的方法。

Life is like a trace of roaming cloud, and also like a piece of fallen leaf; cloud perched with sky is transient and leaf depended on tree is in a rush.

人生如同一丝游云，一片落叶；云与天宇的相栖是暂短的，叶与树相依是匆匆的。

How could I trace your hair to wipe your tears?My hands reached out, catching nothing but a raindrop, on a leaf that had withered.

多想摩娑你的发，温柔地拭去你的眼泪，我伸出手，却只碰到枯叶上的一滴落雨！

The color of Oil cell, the number of non-glandular hair, leaf-trace bundle and vascular bundle are distinct in micro-character.

而油细胞的颜色，非腺毛、叶迹维管束及维管束的多少则是显微上的主要区别点。