短語(yǔ)詞組短語(yǔ)focal -point reporting 重點(diǎn)報(bào)道focal l point 焦點(diǎn)focal aperture point of stress 應(yīng)力集中點(diǎn)focal l point of subsidence 沉陷中心點(diǎn)image focal point 像焦點(diǎn);像方焦點(diǎn);平像場(chǎng)光學(xué)系統(tǒng)focal point of subsidence 沉陷中心點(diǎn)object focal point 物方焦點(diǎn);物焦點(diǎn)anterior focal point 前焦點(diǎn);繙譯 返回 focal point