In advanced language program, the side effect of the subprogram is referred that the subprogram (procedure or function) change public variable or no local variable.

高级语言中子程序的副作用是指子程序(过程和函数)对全程量或非局部量的改变。

youdao

Modularization design is adopted and subprogram call is used to reduce procedure quantity.

软件上采用的是模块化设计，并尽可能采用子程序调用，以压缩程序量。

youdao