The Strict Proofs of That the Two Kinds of Valid Forward Positions of Asset Portfolios Are Tangent
两类资产组合有效前沿边界的相切关系的严格证明
The extreme edge or margin; a border.
边，边沿，边缘极端的边线或边缘；边沿，边界
The army regularly patrol the border.
军队按时沿边界巡逻.
The army regularly patrol along the border.
部队按时沿边界巡逻。
an international boundary or the area along such a boundary.
国与国之间的边界或沿边界的地区。
Entrepreneurship Research--Definition, Conceptual Domain and Boundaries;
创业研究前沿理论探讨——定义、概念框架与研究边界
A front or boundary, especially one between military, political, or ideological positions.
前线尤指在两军或政见、方法思想论不同的两股力量之间前沿或边界
To sail or move along the coast or border of.
使沿着海岸航行沿着海岸或边界航行或移动
While at the corner there are corner conditions: deflection or reaction also.
沿每个边有两个边界条件：挠度或等效剪力，斜度或弯矩应分别等于沿边界的已给值。
He progressed slowly along the coast in an easterly direction.
他朝东边的方向慢慢地沿著海岸前进。
The path ran along the side of the clearing.
小路沿着空地的边上向前延伸。
erected a fence along the border of the property) or to the area that is immediately inside the boundary (
沿地产的边界竖立一道围墙）或指正位于边界内的区域（
Ethnic Chinese have forged ahead to the forefront of world Biological and medical research.
华人已经打入世界生物学与医学界的前沿。
A line of forts was built along the border,to protect the countryagainst attack.
在边界沿线构筑了堡垒,以防国家受到攻击。
Trenches occur along the boundary between two plates that are moving towards each other.
海沟沿着两个相向移动的板块的边界而产生。
Certain parts of the plate boundaries along subduction zones appear to be aseismic.
沿消减带的某些板块边界似乎长期无震。
A line of forts was built along the border to protect the country against attack.
在边界沿线修筑了堡垒以保护国家免受攻击。
A line of forts was built along the border to protect the country against at tack.
沿边界建军起一排城堡以防国家遭受袭击。