constant letter

英 [ˈkɒnstənt ˈletə(r)]

美 [ˈkɑːnstənt ˈletər]

常量字母

If an abbreviation appears as the first word in a type or constant, only capitalize the first letter of the abbreviation.
如果缩略词是类型或常量名称的首个单词，只大写缩略词的第一个字母。
You can write one of them as a constant times the other one, and that constant usually one uses the Greek letter lambda. I don't know if you have seen it before.
你可以把其中一个，写成另外一个乘以某个常数，而这个常数，通常就表示为希腊字母λ，我不知道你们见过没有。
Constant reform and innovation is the most outstanding characteristic of the Reader's Letter Box set up by Zou Tao-fen in Life Weekly.
邹韬奋在《生活》周刊上设立的《读者信箱》专栏，最大的特色是不断改革创新；
At present, the establishment of standardization and institutionalization of state-owned enterprise performance evaluation system is just beginning, is still in the exploratory stage in-depth research and constant, despite a lot of valuable experience, there are some issues to be addressed letter.
目前，建立规范化、制度化的国有企业绩效评价体系仅仅是起步，还处于深入研究与不断探索阶段，虽然取得了很多宝贵经验，但也存在一些亟需解决的问题。