Did you duplicate enough copies of the homework for everyone?
The government is conducting a study of services offered at the state and federal level to see if there is a duplication of services that could be eliminated.
Other scientists have not been able to duplicate the results
of his experiments, and many are suggesting that he may have falsified his results.
Luckily, I made a duplicate of our report because my boss lost the original.
The duplication of his research results at another institution has shown that his theory was right.
We ordered
duplicate prints of our photos to send to my parents.
Please fill out these forms in duplicate, and give them to the secretary.
I lost my key, but I was able to get in my apartment because I had left a duplicate with my neighbor.
We made duplicate copies of our
honeymoon photos so we could give a set to my parents, who paid for our trip.
A living being is a complex system that has the ability to duplicate and protect itself.
He is desperately looking for a duplicate copy of the contract because he spilt coffee all over the original.
Duplicating published material without permission is illegal.
You shouldn't duplicate anything from the Internet until you have read the copyright.
A single man and woman can produce 64 billion children with no genetic duplicates.
Reproduction of new duplicate individuals is characteristic of all living things.