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second moment of area
avia. 断面惯性矩; 截面二次矩; 截面惯性矩
bridg.constr. 断面二次矩; 二次面积矩; 面积二次矩
space 面积的二次矩
tech. 惯性矩
second moment of area
: 14 phrases in 7 subjects
Automobiles1
Bridge construction3
Hydroelectric power stations2
Physics2
Plastics1
Rail transport1
Technology4