arc trench中文什么意思
弧沟
- arc: n. 1.弧;弓形,拱(洞)。 2. ...
- trench: vt. 掘沟,开畦沟;掘翻(田地), ...
- trench arc: 岛弧海沟系; 海沟岛弧系
例句与用法
- Under the tectonic backgrounds of island arc belt , fore - arc trench belt , back - arc basin , and epicontinental active belt of late paleozoic , it has different volcanic rock characteristics
在晚古生代岛弧带、弧前海沟带、弧后盆地或陆缘活动带等构造环境下发育有不同的火山岩组合。