【判断题】有梁板平法施工图中,图上注写的板支座上部非贯通筋向跨内伸出长度是自支座中线算起。
【单选题】有梁板平法施工图中,图上注写的板支座上部非贯通筋向跨内伸出长度是自( )算起。
【简答题】Lucy: Shall we go to the supermarket today? I have to buy something.Herb: ______ .
【单选题】—Shall we go and have a picnic at the weekend? — ______ It's said that there might be snow then.
【判断题】一个行列式与其转置行列式值相等,说明行列式的行与列具有对称性,即行有什么样的性质,列同样也有这样的性质。
【单选题】– Shall we go and have a picnic at the weekend? – _____ The weather report says there might be a cold front by then.
【判断题】转置行列式与其原始行列式的值相等。( )
【判断题】如接地体的电阻不应大于 1 Ω,是指综合布线的机架(柜)采用单独接地。