二茂铁是一个晶状的逆磁性物质，在空气中，湿气和光下是非常稳定的。
Ferrocene is a crystalline, diamagnetic material that is extremely stable to air, moisture and light.
二茂铁是一个晶的逆磁性物质，在空气中，湿气和光下是非常稳定的。
Ferrocene is a crystalline, diamagnetic material that is extremely stable to air, moisture.
讨论圆周上一类比扩张映射更广泛的连续映射， 证明这种映射是拓扑稳定的， 并且其逆极限系统是可扩。
The present paper shows that a class of continuous maps on circles which is extensiver than expand maps is topological stable.
应用推荐