The Atlanta History Center unveiled more than 600 of King's personal documents never before seen publicly. They include an early draft of his "I have a dream" speech.
亚特兰大历史中心展示了从未公诸于众的600多份金的个人文稿，其中包括他早年“我有一个梦想”演说稿。
2
Through orthogonal experiment, parameter of back zone draft multiple, roller center distance and roving twist factor are selected.
并通过正交试验对后区牵伸倍数、罗拉中心距和粗纱捻系数进行了优选。
3
The Houston Rockets center is a household name in China since Yao becoming the top NBA draft pick in 2002.