back-reflection pinhole camera [材料科學(xué)]背面反射針孔照像機

back-reflection focusing came [材料科學(xué)]背面反射聚焦照像機

back-putting 背向推擲

back-purge system [能源科學(xué)技術(shù)]反沖洗系統(tǒng)

back-pull n.反拉

back-propagation algorithm 反向傳播算法

back-propagation 反向傳播

back-projection reconstruction [電子、通信與自動控制技術(shù)]反投影重建

back-project 反投影

back-printing [電子、通信與自動控制技術(shù)]背后打印[計算機科學(xué)技術(shù)]背后列印

back-pressure-relief port 反壓泄料孔

back-pressure valve [油氣] 回壓閥 止回閥

back-pressure regulator 背壓調(diào)節(jié)器

back-pressure manometer [經(jīng)濟學(xué)]反壓壓力計

back-pour n.補澆

back-porch effect [電子、通信與自動控制技術(shù)]后沿效應(yīng)[計算機科學(xué)技術(shù)]后緣效應(yīng)

back-porch n.后沿

back-plate 制動塊底板,制動器底板

back-planing 刨背

back-pinched saw [經(jīng)濟學(xué)]夾背鋸