专用函数 meaning in English

special purpose function

In software design , this article employed bc + + powerful function to compile the appropriative function with absolution function and blocking ? it " s very convenient for software to graft in the system o practical application demonstrated that this system is accurate and reliable , rapid and convenient , economical and practical in use , and the achievement of this system is extensively technologically general , and has wide application vistas o
在软件方面，该文运用bc + +语言的强大功能，编写出具有独立功能和模块化的专用函数，使软件具有较好的移植功能。实践表明，该系统准确可靠，快速方便，经济实用，具有一定的通用性和推广价值。