Photo Gallery: Azurite crystals from Arizona seem to pulse with color.矿物的图片集.蓝铜矿的结晶来自亚利桑那州好像添加彩色.Azurite's brilliant color adds to its popularity in creating semiprecious stones.兰铜矿灿烂的色彩加上它的声望造成准宝石的宝石.Limited compan...
To authorities, the misconducting appears as the behavior bringing harming effect to science asas its practitioner.科学权威的失误是指, 权威受多种因素影响不能有效发挥其功能而给科学或他人带来不利影响的行为....