The city park entrance space is the city park important constituent, is playing unique and the essential role.
城市公园的进口空间是城市公园的重要组成部分，发挥着独特而关键的作用。
2
Chinese calligraphy has become a unique art 1, the main factor is its main constituent material lines.
汉字书画之所以能成为一门独特艺术，主要因素是线条为其主要构成材料。
3
The television military propaganda is the various countries' media propaganda system important constituent, it by its unique superiority, is playing the vital role in each different historical period.