1. The availability of the control strategy is validated by digital simulation results. ���ַ�������֤�˿��Ʋ��Ե���ȷ�Ժ���Ч�ԡ�
2. To reduce the amount or availability of (currency or credit), effecting a decline in prices. ���٣�ͨ�����Ŵ����������ɻ���ԣ����¼۸��½���
3. By decreasing the amount of water in food or its availability to microorganisms, growth of microorganisms can be prevented. ����ʳƷ��ˮ�ֺ��������������������Чˮ�֣����ܷ�ֹ����������