重要的原则是决不清除贵重硬币上的污垢。The golden rule is never to clean a valuable coin.通过张开的毛孔排出汗液和污垢。Your open pores excrete sweat and dirt.他的衣服沾满了污垢。His clothes were covered in dirt....
The book of Leviticus, in the Bible, tells us about religious law.圣经中的《利未记》向我们讲了有关宗教的法律.Nine times these words are repeated in Leviticus.在利未记里这些话反复述说了有九次之多....
After a fruitless morning sitting at his desk he had given up.他在书桌前徒劳地坐了一上午之后便放弃了。It was a fruitless search.搜寻工作毫无结果。Their search for the plane is fruitless.他们对飞机的搜寻是毫无结果的....
DWT error derived from the nonlinearity of ADC is discussed.主要讨论了模数转换器(ADC)非线性对DWT带来的误差.The ADC core area is 2.0 mm 2 without band - gap and reference circuit.整个ADC芯片 内核面积2.0平方毫米(不包括参考电压产生电路).A kind of low - power operat...