Department of Equipment Command and Management;
Shijiazhuang Campus;
Army Engineering University;
Shijiazhuang 050003;
China;
Unit 73127 of the PLA;
Fuzhou 350503;
China;
The Ninth Comprehensive Training Base of Army;
Zhangjiakou 075000;
China;
Army Infantry College of the PLA;
Shijiazhuang 050003;
China;
Unit 68303 of the PLA;
Golmud 816000;
China;
ammunition demand prediction; Bayesian inference; Gompertz distribution; system contribution; Markov chain-Monte Carlo(MCMC)method;