2+4 productive pattern

a theory on productive forces

abroad productive condition

absolute efficiency of productive forces

actual productive capacity

advanced productive forces

agricultural comprehensive productive ability

agricultural labor productive

agricultural productive capacity

agricultural productive force

agricultural productive potentiality

agro productive factors

alcoholic productive rate

amelioration of low productive paddy soils

Annual productive capacity

average productive capacity

biological productive area

C-D productive function

cell productive effect

climate productive potential