What does the letter of acceptance number bd00 1 mean?

The first is the meaning of the first two letters B and D, which represent the abbreviation of your project name. These two letters are the number of your project. 00 1 means that you are the 1 winning candidate selected by the bid winning committee, because according to relevant regulations, the bid winning committee has to select three winning candidates, and their numbers are 00 1 002 respectively.