It gives a new utility engineeringconcept called shock absorber stiff coefficient.
提出了减振器硬系数等工程实用新概念。
2
The correct engineeringconcept should be using a correct composition design method to further raise the toughness under the prerequisite of obtaining a high hardness.
正确的工程理念是在获得高硬度的前提下，通过采用正确的成分设计方法，进一步提高韧性。
3
Such cross-breeding and genetic engineering efforts hardly represent a new concept for food scientists and agriculturalists.