Among many fundamental problems in Several complex Variables is the biholomorphic equivalenceproblem for real submanifolds in a complex manifold.
在多复变的众多基本问题中，有一类重要的问题是实流形在复流形中的双全纯等价性。
2
Category problem in translation refers to the non-equivalenceproblem in word translation caused by the category differences between the source language and target language.
翻译中的范畴问题是指在词语翻译中由于原语言和目的语言的范畴不同而引起的不对等问题。
3
Values contained in an equivalence class are considered to be equivalent in terms of their expected result. For example, look at a classic testing problem, such as the triangle program.