It gives a new utility engineering concept called shock absorber stiff coefficient.

提出了减振器硬系数等工程实用新概念。

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The correct engineering concept 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。

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The review is an essential engineering assessment that certifies the concept is fit for purpose.

BBC: Spaceship passes critical review

It is the brainchild of Russell Strong, a highly proven leader in concept development and engineering of agricultural and industrial equipment, an innovator known in his industry as "Mr. Tractor" for his revolutonary designs for major corporations both here and in Europe.

CENTERFORSECURITYPOLICY: Value of Jake as a ready innovation base

Gov. PATAKI: As you go from concept to construction, there are engineering questions, there are fiscal questions, there are security questions.

NPR: Critique of Freedom Tower Leads to Redesign