In the first column of output, you see the first character is an 'l' (lower-case l) for symbolic links.
在输出的第一列中，您可以看到，符号链接的第一个字符是‘l’(小写l)。
2
First, the separation of L-Valine on a single chromatographic column was investigated.
本文首先研究了缬氨酸在单根色谱柱上的分离情况。
3
On the hypothesis of plane cross section, L-shaped reinforced concrete column was divided into three fragment line element of elastoplastic zone at both ends and elastic zone in the middle.