1. The boxer grounded his opponent. ����ȭ���ְѶ��ִ��ڵء�
2. The company says it will continue to secure the complex, but flights will be grounded until the bills are paid. ��ҹ�˾˵�����ǻ�������������İ�ȫ������������ҵ��Ҫ���˵�����֮����ָܻ���
3. This paper also includes research on different phase two point to ground fault in neutral non-grounded system and digital simulation of ferroresonance. �о����������Ե㲻�ӵ�ϵͳ��������ӵصĹ��ϲ���㷨������г������ַ��档