mechanism
/ˈmekənɪzəm; `mɛkəˌnɪzəm/ n
1 working parts of a machine, etc 机械装置
a delicate watch mechanism 精细的手表机件
the firing mechanism of a rifle 步枪的击发装置.
2 parts of an organism or system which work together （机体或装置的）结构, 构造
the mechanisms of the body 身体的结构.
3 method or procedure for getting things done 手法; 技巧; 程序
There are no mechanisms for transferring funds from one department to another. 基金无法从一部门转移至另一部门.