1)  replacement of copper cables with optical fiber cables
					
	
					
				
				
	
					
				光进铜退
				1.
					Combined with the future service development,it puts forward the development plan of access network in the rural areas over the next several years-the evolution of relay level to mesh network,access level to loop network,the replacement of copper cables with optical fiber cables and the combination of wired and wireless networks.
						
						在此基础上,结合未来的业务发展需求,提出今后几年内农村接入网发展规划思路:中继层向网状网演进,接入层向环状网演进,光进铜退,有线无线相结合。
					
					3)  Photosynthe tic f unctional decline process
					
	
					
				
				
	
					
				光合功能衰退进程
			
					4)  electrolytic copper stripping
					
	
					
				
				
	
					
				电解退铜
				1.
					Concentration of free citrate in citrate electrolytic copper stripping solution was determined by complexometric titration.
						
						采用络合滴定法测定柠檬酸盐电解退铜液中游离柠檬酸根的浓度。
					
					5)  chemical stripping copper
					
	
					
				
				
	
					
				化学退铜
			
					6)  annealed copper
					
	
					
				
				
	
					
				退火软铜
	补充资料:进退格
		1.亦作"进退韵"。  2.律诗用韵的一种格式。一首诗采用两个相近的韵部来押韵,隔句递换用韵,一进一退,故名。
		
		说明:补充资料仅用于学习参考,请勿用于其它任何用途。
	参考词条