That leads to biquadratic equations for solution.它们又引出待解的双二次方程.The global topological structure of the biquadratic systems is discussed and their coefficient conditions are given.讨论了一类齐四次系统的全局结构,并给出了它们的系数条件.In this paper...
Many of Kuwait's spacious freeways were engineered by W S Atkins.科威特有很多宽阔的高速公路是阿特金斯集团设计建造的。He could stand no more and engineered an escape.他无法再忍受,便策划了出逃。They are finely engineered boats.这些船只设计制造精良。...
It took four years for Britain just to decimalise its own coinage.英国花了4年时间才将其币制改为十进制。...the world's finest collection of medieval European coinage.世界上最完整的欧洲中世纪硬币收藏The city produced its own coinage from 1325 to 1864....
Objective To inquire into an effective treatment for with injurious cataract accompanied by iridocoloboma or aniridia.目的探讨外伤双性白内障伴无虹膜或虹膜缺损患者的有效治疗方法....
They said, after digging around, the photo was a fake.在搜集了有关情况后,他们说照片是伪造的。He looked like a postman but he was really a fake.他看上去像个邮递员,但实际上是个骗子.These are fake diamonds.这些是假钻石....