Scientists say that because it has so many millions of pores and ridges, if one cubic centimetre of aerogel were unravelled it would fill an area the size of a football field.
科学家说，由于气凝胶拥有极多的微孔和褶皱，因此一立方厘米的气凝胶摊开后能够覆盖一个足球场。
2
The influence of curing reaction heat on curing temperature field of cubic rubber block and tire was investigated.
探讨长方体胶块和轮胎硫化反应热对硫化温度场的影响。
3
A research was conducted of the velocity field of the designed cubic-curve tube type hydrocyclones.