1.
two provinces are demarcated by a river.
两省以河流分界。The
2.
Something, such as a boundary or partition, that serves to divide or keep separate.
分隔物，分界线分界物或分割物，用作分配或分类
3.
demarcation of constituency boundaries
划定选区分界；划分选区范围；划定选区分界
4.
"demarcation,also demarkation:The setting or marking of boundaries or limits."
分界线:边界或限制的设定或标记.
5.
The setting or marking of boundaries or limits.
分界线边界或限制的设定或标记
6.
Definition of the management boundary between river and sea in Ningbo
宁波市陆海及河海管理分界线的界定
7.
wholesale and retail subsector
批发及零售界界别分组
8.
commercial (first) subsector
商界（第一）界别分组
9.
commercial (second) subsector
商界（第二）界别分组
10.
real estate and construction subsector
地产及建造界界别分组
11.
textiles and garment subsector
纺织及制衣界界别分组
12.
information technology subsector
信息科技界界别分组
13.
industrial (second) subsector
工业界（第二）界别分组
14.
industrial (first) subsector
工业界（第一）界别分组
15.
transport subsector
航运交通界界别分组
16.
financial services subsector
金融服务界界别分组
17.
higher education subsector
高等教育界界别分组
18.
one of five biological categories: Monera or Protista or Plantae or Fungi or Animalia.
五种生物分类之一；无核原生物界、原生生物界、植物界、真菌界、动物界。