求翻译：云锦是中国丝绸文化的结晶，用料考究、织造工细、图案精美，堪称“中国古代丝织工艺最后一座里程碑”。2009年10月，南京云锦被联合国教科文组织列入“人类非物质文化遗产代表作名录”。是什么意思？

Brocade is the crystallization of silk culture in China, material beautifully elegant, weaving fine, pattern, which is called "ancient Chinese silk craft last milestone." In October 2009, Nanjing Brocade been listed by the UNESCO "representative list of intangible cultural heritage of mankind".