established area中文什么意思

发展完备的地区

发展完备地区

• established:    adj. 1.被设立的；确定的；被制 ...
• area:    n. 1.面积；平地；地面。 2.空 ...
• old-established marketing area:    营业经年的街市地区

例句与用法

1. Infinite - dimensional linear systems is now an established area of research with a long list of journal articles , conference proceedings , and several textbooks to its credit
   ， 99 ( 2000 ) ， 245 - 249 。这里，我们把yao等人的结果推广到局部竞赛图中，并得到一个非常有意义的定理。
2. " the majority of the proposed country park is hilly areas and upland valleys covered with natural woodland and unspoiled streams . also of high conservation value are the well - established areas of secondary woodlands , developed montane forests and fresh water habitats
   建议中的扩建范围大部分都是高山及高地幽谷，有不少天然林木和未受污染的溪流。山区中茂密的次生林地、高地树林及淡水生境均具有高度的自然护理价值。