CLINTON AND JIANG HEAL RIFT AND SET NEW TRADE COURSE
Pres Clinton and China Pres Jiang Zemin, in Auckland, New Zealand, for Asian economic summit conference, declare end to months of frozen relations following bombing of Chinese Embassy in Belgrade, and their trade ministers begin meeting in hopes of closing deal that will get China into World Trade Organization this year; Chinese officials are pleased that Clinton has been critical of Taiwan Pres Lee Teng Hui for his statements describing island as separate state (M)