external gear 外接齒輪external gas pressure cable [土木建筑工程]壓氣電纜external form grinding machine [經(jīng)濟(jì)學(xué)]外齒磨床external form 外形external force [力] 外力external fixator 外固定器external financing 外部籌資external financial environment [經(jīng)濟(jì)學(xué)]籌資環(huán)境external financial assistance [新聞學(xué)與傳播學(xué)]外來資金援助external field influence [土木建筑工程]外部場影響external field [地物] 外磁場；[地物] 外源場external feedback magnetic amplifier [經(jīng)濟(jì)學(xué)]外反饋式磁放大器external factor 外在因素，外因；外來因素external examiner 外?？脊?，外校監(jiān)考。external examination 由校外人士主持的考試。external escape stairway [管理學(xué)]外部疏散樓梯external equipment [計(jì)] 外部設(shè)備，外圍設(shè)備external environmental condition [新聞學(xué)與傳播學(xué)]外界環(huán)境條件external environment factor [經(jīng)濟(jì)學(xué)]外部環(huán)境external environment condition [經(jīng)濟(jì)學(xué)]外部環(huán)境[心理學(xué)]外環(huán)境條件