The slant is achieved by performing a shear transformation on the characters from a normalfont.
在字元上执行切变转换，可以完成从正常字型到倾斜字型的转换。
2
Nomenclature differs among species, but generally gene names should be described in italics and protein names in normalfont.
不同物种有不同的命名规则，但一般来说，基因名称应写成斜体，蛋白质则采用正体。
3
When a true italic font is not available on a computer or printer, an oblique style can be generated from the normalfont and used to simulate an italic font.