Make a Mobius strip out of a ribbon of mild steel and magnetise it.用一根软钢条做成麦比乌斯带,将其磁化。An extended model describing magnetization and magnetostriction in ferromagnetic amorphous metal ribbon is introduced.用推广了的模型,讨论带状铁磁非晶...
Int he paper , classify clay area into hard rock dickite, altered kaolin and sandy kaolin.将区内高岭土分为硬质地开石 、 蚀变高岭土和沙质高岭土.Computers allow the plans to be fine-tuned and to be altered quickly.计算机使得这些图样能够得到细调,并且可以迅速更改。And DPR ...