Part of that is the elimination of small words, "the," "and"; the abbreviation of certain words, "your" to "yr."

他们语言的一部分是对小词的省略，如“这“，“和“，和一些词的缩写“

耶鲁公开课 - 1945年后的美国小说课程节选

Remember, all you have to do is fill in the one or two-letter abbreviation for the chemical symbol.

记住，你们只要,用一两个字母的缩写,来代表化学元素就可以了。

麻省理工公开课 - 固态化学导论课程节选

You are required only to put the one or two-letter chemical abbreviation, the symbol.

你们只需要,用一两个字母来代表一个化学元素。

麻省理工公开课 - 固态化学导论课程节选