Grain sizes measured by XRD are in the range 10–200 nm with [translate] ai hope such studies will be done 我希望这样研究完成 [translate] aA bad weather,I feel very bad ,Today is the worst day.I hate this feeling! 恶劣天气,我感觉非常坏,今天是最坏的天。我恨这种感觉! [translate] aIf...
However, mostpeople don't know the name of the man who invented the television, Philo Farnsworth.Philo Farnsworth was born in 1906 and grewup on a potato farm. As a boy, he loved to learn about science, and he read a lot of science books. When he was only thirteen years old,he ...