当我们把船调头的时候，信号器又不停地发出哔哔声。When we turned the boat about, the signal began to bleep again constantly.交变系统,使一段给定路段上的信号器,展现相反的指示.The alternate system allows signal installations along a given length of road to show contrary i...
绿片岩相以下的动力变质作用是矿化富集的条件.Dynamical metamorphism under greenschist facies is the condition of mineralizing enrichment.大水沟独立碲矿床的直接赋矿围岩为低绿片岩相变质岩.The host rocks of Dashuigou independent tellurium ore deposit are mainly green sc...
Furthermore, AAAS is fair, stable and agile in global resource utilization.此外, 由于AAAS采用了基于PID的 控制算法,保证了系统在资源分配上的平衡性 、 稳定性和灵敏性.Written approval must be obtained adance from the AAAS for any uses not expressly permitted ab...
He failed in his attempt to take control of the company...他试图掌控公司，但以失败告终。It's discouraging that so many students have failed.那么多学生考不及格,真令人泄气.Their attempt to bribe the clerk had failed.他们贿赂那位办事员的企图没有成功。Others said t...