不切实际 unrealistic; unpractical; impracticable; moot; not correspond with reality 不切实际的幻想 unrealistic notions; fanciful ideas; 不切实际的计划 an impracticable plan
According to the request of practical work , explain each concrete function model in detail , and solve former software function ' s single and impractical problem 并根据实际工作的要求,对系统的各具体功能模块进行了详细地说明,解决了以往软件功能单一,不切实际的问题。