frontal arc
英 [ˈfrʌntl ɑːk]
美 [ˈfrʌntl ɑːrk]
网络 额骨矢状弧; 前弧
双语例句
- A bank of electrically operated smoke grenade launchers, which cover the frontal arc, are mounted either side of the turret.
一种侧向倾斜电操作烟榴弹发射器，覆盖正面弧，被安装转塔每一侧。 - During Late Palaeozoic Early Mesozoic archipelago orogenic Stage, Qiangtang. Jomda and Lincang arcs should be frontal arc, behind which a series of back arc basins and island arcs or remnant arcs ( or microcontinents) was distributed.
晚古生代中生代早期多岛海造山阶段，羌塘弧、江达弧和临沧弧应为前锋弧，其后由一系列弧后盆地和岛弧或残余弧（或微大陆）组成。 - The frontal arc of the epsilon type structural system of South China is distributed on the continental margin of South China and Northern Vietnam, the apex of which reaching as far southwards as the northern side of the Xisha Islands latitudinal structural system.
华南山字型的前弧展布于中国大陆南缘和越南北部，南抵西沙纬向带北侧。