The mechanism of electroless nickel deposition in sodium hypophosphite bath is discussed.探讨了次亚磷酸钠体系化学镀镍沉积机理.Electroless copper plating on PET fabrics using hypophosphite as reducing agent was investigated.研究了采用次磷酸钠作还原剂在涤...
The lake is situated at the eastern extremity of the mountain range.湖位于山脉最东端。The situation in Eastern Europe has changed out of all recognition.东欧的形势经历了巨变。There's no mistaking the eastern flavour of the food...那种食物就...
These expressions are often used interchangeably, but they do have different meanings.这些表达方式经常相互替代使用，但它们的含义却有所不同。I became more aware of the symbols and their meanings.我进一步理解了这些符号及其意义。Pictures of road signs are matched wi...
The astronauts piloted their craft down to the lunar surface.宇航员驾驶太空飞船在月球表面降落.The lunar stone is different from earth's.月球的石头和地球的不同.The Spring Festival is the lunar New Year.春节即农历新年....