In 1989 the price of coffee fell so low that in many countries it did not even cover the cost of production...1989年咖啡的价格跌至低谷，在很多国家甚至连生产成本都收不回来。The high cost of borrowing is inhibiting investment by industry in new equipm...
Companies are moving jobs to towns with a lower cost of living.各公司正在把工作岗位转移至生活费用较低的城镇。The new shopping centre was constructed at a cost of 1.1 million.新建成的购物中心耗资110万。The company has made heroic efforts at cost reduction....
这四枚新邮票是为了纪念英国天文协会成立100周年而发行的。The four new stamps mark the 100th anniversary of the British Astronomical Association.在历史的年代数目和天文年代数目之间存在差别.There are differences between historical and astronomical numbering of years.数学材料是...
This seam of coal reposes on a layer of clay.这个煤层处于一层黏土岩之上.A new method for seam tracking using image centroid in gas tungsten arc welding is presented.研究一种基于图像质心识别的电弧焊焊缝跟踪新方法.The crack in the coal seam is divided into t...