系统的系统工程
system of systems engineering
热学孤立系统
isolated system of calorifics
小型孤立系统
small isolated power system
B的物质的量浓度
amount-of-substance concen-tration of B
不确定性系统的统一性
unification of uncertainty systems
矿物质的物理性质
physical character of minerals
蒸汽与生物质的质量比
mass ratio of steam and biomass
等效均质系统
equivalent homogeneous system