15. A ______ or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below.

Structural Geology术语首次出现在哪个学者的哪一部著作? Bayly Brian，Structural Geology|Haakon Fossen，Structural Geology|George Davis，Structural Geology|James Hutton，A theory of the earth

structural design

______ is in favor of structural view.

Structural view sees language as _____ .

Structural stress on a ship can be reduced by（）.

A structural design is the design of building structures.

请将下面文字译为中文“Structural materials, the material base of civil engineering, are the generalterm of all the materials of construction. Costs of structural materials account for about 50% of the cost of the building. So it is very important to make a reasonable choice for the Structural materials.”

The natural unemployment rate is the unemployment rate that exists when there is no A: structural unemployment. B: frictional unemployment. C: cyclical unemployment. D: cyclical or structural unemployment.

The structural design ______includes two different tasks.