An accurate replica of the source should be provided for practice in handling and for making accurate measurements of source-detector distances . 为了练习操作，为了精确地测量源到探测器的距离，应当备有源的精确的复制品。
Both are polymer replicas of master gratings 两个都是标准光栅的聚合物复制品。
I had a replica in little of independence hall 我有一件独立纪念堂的小型复制品。
B : is it real ? or is it all reproduction furniture 是真的吗？还是都是复制品？
This painting is a copy ; the original is in madrid 这幅画是复制品,原作在马德里
This painting is a copy ; the original is in madrid 这幅画是复制品,原作在马德里
The duplicate will look and think just like you 复制品会和你一摸一样包括你的思维
They built a replica of a second world war plane 他们建造了二次大战飞机的复制品。
But voters prefer the original to the copy 比起复制品选民会更乐意选择原版。
Is it real ? or is it all reproduction furniture 是真的吗？还是都是复制品？
