自然的发展

The short blooming period hinders the development of the floricultural industry of moutan peonies.

花期较短严重影响了牡丹产业的发展。

This paper is aimed at presenting the authors' study and analysis on the economic system for a virtuous circulation mode with teletube glass scraps in China by using the method of system analysis.

近年来,我国CRT显像管业迅速发展,但显像管所需的大量优质石和化工原料的开采和合成过程却破坏了态环境,还成环境污染。