Double - wave length ultraviolet spectrophotometry for the determination of MPC and DPU is exact, fast and simple.采用双波长紫外分光光度法测定MPC和DPU的 含量具有准确 、 快速、简便等特点.The concept to realize virtual DPU on general Windows platform us...
堆墨: 油墨堆积于胶布上的情况.Ink piling : Build up of ink on offset blanket.橡皮布包衬不足往往是产生堆墨的主要因素.There is not enough blanket lining is often result a heap of monlchamus....
He preceded his speech with a warning against inattention.他在开始讲演前告诫大家不得心不在焉.He preceded his speech with welcome to the guests.他在正式讲演前,先对来宾表示欢迎.They swept into the hall, preceded by trumpeters.他们以喇叭手为前导昂首阔步走进大厅....
牛仔竞技表演中一匹弓背跳跃的野马a bucking bronco in the rodeo我的这头牲口的弓背象一弯新月,迈步象骆驼一样缓慢.My animal had a quarter - moon back and a camel gait.这匹野马仅10秒钟就弓背跃起把骑者摔了下来.This bronco bucked its rider in just ten seconds....