Project supported by the Shanghai Postdoctoral Sustentation Fund, China ( Grant No. ).上海市 博士后 基金资助的课题.I'm doing postdoctoral research at the moment.我正在做博士后研究.Many companies invested in establishing postdoctoral rese...
The Egyptians probably measured their day in twenty-four hours of unequal length.埃及人很有可能用不同长度的24小时来度量日子。He measured the speed at which ultrasonic waves travel along the bone.他测出了超声波穿过骨头的速度。The packets are measured to red...