Stratified sampling Objective sampling
automatic constant temperature constant
constant speed constant frequency
Constant Temperature and Constant Humidity
constant temperature and constant humidity system
constant voltage and constant frequency
Constant Voltage Constant Current CVCC
Constant voltage or constant current type
(Ag)core·（Au）shell composite nanoparticles
(Ni Mo)based composite coating
(Ni-Co)-SiC composite coating
(Ni-Co-Mn)-diamond composite plating
(Ni-P) -SiC composite coating
(Ni-P)-graphite composite coating
(Ni-P)-MoS2 electroless composite coating
(Ni-P)-MoS2化学复合镀层
3DNow！ 浮点指令集
(Ni-P)-Si3N4 composite coating
(Ni-P)-Si3N4 electroless composite plating
(Ni-P)-SiC composite coating
(Ni-P)-TiO2 composite coating