1. Check stability calculation and report. ������Լ��㲢���档
2. Method:To use membrane filtration method to test, test and calculation of recycling and recovery. ���������ñ�Ĥ���˷��������飬����������ղ��Ҽ�������ʡ�
3. Expression for the value of user input required calculationcalculation formula, the program calculated. ����ʽ��ֵ���û�������Ҫ����ļ���ʽ��������������
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n.
1. the procedure of calculating; determining something by mathematical or logical methods
2. problem solving that involves numbers or quantities
3. planning something carefully and intentionally