drainage divide

用法例句

The desert of Inner Mongolia is known as the east part of Asia-African desert, its east edge being the dividing line between Asia-African desert and Europe-Asian steppe.

内蒙古荒漠是亚非荒漠的东边部分,其东缘还是亚非荒漠和欧亚草原两大地理带的分界线,在我国动物地理区划中归属于蒙新区的西部荒漠亚区。

The Taibai Mountain may be the northernmost distribution boundary for CBS J.

扩大了部分种类的分布范围,该地区可能为CBSJ种群的最北分布界线。

In this paper,we proved that the cubic system can not exist three separatrix cycles of the tri - curve x3 - 3xy2 - 1 = 0.

本文证明了三次系统不可能同时存在三个三曲线ｘ３－３ｘｙ２－１＝０分界线环。

We obtain a necessary and sufficient condition for the existence of a type of quarticcurve separatrix cycles in the quadratic system.

本义给出了二次系统存在一类四次曲线分界线环的充要条件，此类分界线环的方程为（ｙ＋ｃｘ￣２）－ｘ￣２（ｘ－ａ）（ｘ－ｂ）＝０。

This conclusion corrects a mistaken result(In the planar quadratic system there is not cubic algebraical saddle-nodeseparatrix-loop,in which the author asserrts that quadratic system has no the cubicalgebraical saddle-node separatrix cycle.

本文证明了平面二次系统的三次代数同宿轨线上可以存在鞍结点，并且二次系统可以存在含鞍结点的无返回映射三次曲线分界线环。

fatigue decreased proficiency boundary

疲劳减少熟练分界线

Maritime Military Demarcation Line in the West Sea

西海海上军事分界线

The river is the boundary between the two countries.

这条河是两国的分界线。

Price lining has many advantages:

价格分界线有很多优点：

a line of darker water Beyond the reef.

礁石外深色水域分界线

the boundary between Sweden and Norway

瑞典与挪威的分界线.

designate the boundaries of sth

标出某事物的分界线.

a line of demarcation between two rock strata.

两个岩层间的分界线

This borderline is indefinable.

这条分界线难以确定。

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

"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.

The setting or marking of boundaries or limits.

分界线边界或限制的设定或标记

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

a vertical line marking the boundary between musical bars.

音乐小节之间标志分界线的垂直线。

separation by the creation of a boundary that divides or keeps apart.

产生分界线的分离用来划分或隔开。

The line or frontier area separating political divisions or geographic regions; a boundary.

边境政治划分或地理区域的分隔线或边界；分界线

a person who fixes the boundaries of land claims.

划分土地权利分界线的人。

There are no indecisive boundaries between the two opinions.

这两种意见界线分明。