000			00433nam a2200157Ia 4500
005			20250807111056.0
008			250807s2009||||xx |||||||||||||| ||und||
020			_a9787302193425
082			_a621.042 GAO
100			_aGao Jingde, Wang Xiangheng, Zhang Linzheng
245		0	_aAC Machine Systems
260			_aBeijing, China _bTsinghua University Press _c2009
300			_a489
690			_aElectrical Engineering
942			_cBB
999			_c101106 _d101106