Zsh has a multi-line editing mode, which is great for shortshell scripts, as in this example.
Z sh具有多行编辑模式，这特别适合于短小的shell脚本，如下例所示。
2
Compared with conventional sol silicate, the rapidly dried sol silicate possesses the advantages of shortshell-making period and high ambient strength as well as low residual strength.
快干硅溶胶与普通硅溶胶比较，具有制壳周期短、型壳常温强度高、残留强度低的优点。
3
The cylindrical shell with various boundary condition are considered. The formulae of collapse load, stress field and velocity field and the judgement equations for long or short shells are given.