初級(jí)物理金相試驗(yàn)工問(wèn)答題每日一練(2019.05.06)
來(lái)源:考試資料網(wǎng)1.問(wèn)答題什么是金相檢驗(yàn)?
2.問(wèn)答題進(jìn)行沖擊試驗(yàn)應(yīng)注意哪些問(wèn)題?
3.問(wèn)答題計(jì)算題:今有四個(gè)實(shí)驗(yàn)結(jié)果數(shù)值為37.4,54.6001,44.5,41.500,試按保留兩位有效數(shù)字進(jìn)行修正.
4.問(wèn)答題簡(jiǎn)述應(yīng)力與應(yīng)變的定義?