Ahigher annual growth rate in material uses indicates an increasing intensity of material uses
举一反三
- Which of the following ( ) is not helpful for the protection of scarce resources A: Material substitute B: Increment of material uses C: Selling services instead of products D: Using eco-materials
- A plastic is a synthetic material which can be molded into any desired shape and which uses an organic substance as a binder.
- Fruit tree radiation mutation breeding often uses pollen as the test material, because it is not easy to produce chimeras.
- Fruit tree radiation mutation breeding often uses pollen as the test material, because it is not easy to produce chimeras. A: 正确 B: 错误
- The total annual cost is the sum of annual material cost, annual order cost, and annual holding cost, and is given as TC = CD + (D/Q)S + (Q/2)hC.