A method to calculate the settlement of the foundation of a precision equipment by general FEM;

In order to guarantee the components the processing precision,the engine bed itself precision is very important therefore precision equipment assembly direct influence machine finishing precision.

China s "accounting system for business enterprises" provides that enterprises should following prudence principle in accounting auditing,that is,neither over-evaluate assets or income nor count less debts or expenses,nor propose secret reserve.

It would expend more labor and material in the traditional precision leveling.