" border frontier " refer to the dividing line between two countries or states or the land near that line . “border,frontier”均指两国之间的边界线或边界地区。
The threat of war perceived to come from large armies attaching across an internationally recognized line of demarcation . 战争的威胁来自跨过国际承认的边界线发动的大规模的武装进攻。
The boundary line of a figure , area , or object 周围一个图形、区域或物体的边界线
New technology is also helping safeguard the border 新技术也用来帮助边界线的防卫。
A line that establishes or marks a border 边界线确立或标志边界的线
疆界线, 边界线: boundary line边界,边界线: boundary noun边界线法: borderline method边界线方法: borderline method边界线升高: borderline elevation标定边界线: demarcate a boundary by setting up boundary markers步测边界线: walk a boundary分界线,边界: boundary分界线,边界(国): boundary结构边界线: structural limits界线;边界;界址: boundary界线;地界;边界: boundary郡的边界线: a county boundary councillor矿体边界线: boundary line of ore body树林边界线: boundary vista行政边界线: administrative boundary line有效边界线: effective boundary line炸毁边界线: destruct line阻塞边界线: chocking line实体间边界线: inter entity boundary line边界线爆震曲线: borderline knock curves压缩器喘振边界线: surge line of the compressor底线。球场两端的边界线。: baseline国境线边界线边缘轮廓线: border line边界现状: status quo of the boundary; status quo on the border边界西段: the western sector of the boundary