零阶维持电路ZOH
zero order hold circuit ZOH
压力保持阶段
pressure maintenance phase
氨基酸维持模式
amino acid profile for maintenance
氨基酸维持需要量
amino acid requirement for maintenance
操作与维护阶段
operation and maintenance phase
常规维持量
endogenous creatine biosynthesis
船级维持证书
class maintenance certificate
蛋白质维持需要量
protein requirement for maintenance
protein maintenance requirement
地力维持
Soil productivity maintenance