impact resistance [力] 抗沖擊性；沖擊阻力impact recombination coefficient 沖擊復(fù)合系數(shù)impact properties 沖擊性能impact process analysis [機械工程]沖擊過程模擬impact printer [計] 擊打式印刷機impact pressure [力] 沖擊壓力；沖還力；沖灰壓；[力] 碰撞壓力impact plate 擊碎凹板impact on 影響；對…沖擊，碰撞impact of uneven settlement [交通運輸工程]不均勻沉降影響impact of 影響impact modifier [高分子] 沖擊改性劑impact mechanical strength [機械工程]沖擊機械強度impact matrix printer [計算機科學(xué)技術(shù)]撞擊式矩陣打印機撞擊式矩陣列印機impact loading 沖擊荷載；沖擊加載法impact load 沖擊荷載；[力] 沖擊負(fù)載impact line printer [計算機科學(xué)技術(shù)]擊打式行式打印機撞擊式行列印機impact kinetic energy [教育學(xué)]碰撞動能impact jaw crusher [經(jīng)濟學(xué)]顎式?jīng)_擊破碎機impact ionization [物] 碰撞電離impact injury of chest [醫(yī)藥科學(xué)]胸撞擊傷