free groundwater zone [數(shù)學(xué)]自由地下水區(qū)[物理學(xué)]自由地下水區(qū)free grafting [醫(yī)藥科學(xué)]游離移植free goods [稅收] 免征進(jìn)口稅的貨物；自然資源充足的商品free good free goal throw [體育]任意球門球free gingiva [醫(yī)藥科學(xué)]游離齦free gift 贈(zèng)品free from radial runout [土木建筑工程]無徑向跳動(dòng)的free from particular average clause [經(jīng)濟(jì)學(xué)]單獨(dú)海損不賠條款free from particular average 單獨(dú)海損不賠free from debt 不欠債；免除債務(wù)free from contamination 無污染free from 使擺脫；免于；解放free french forces free form surface [計(jì)算機(jī)科學(xué)技術(shù)]自由曲面[電子、通信與自動(dòng)控制技術(shù)]自由曲面free form mode [計(jì)算機(jī)科學(xué)技術(shù)]自由形式模式free form free for all 對(duì)任何人開放的free flowing well [能源科學(xué)技術(shù)]不加控制的自噴井free flow of trade [經(jīng)濟(jì)學(xué)]自由貿(mào)易往來