differential of a arc的意思|示意
美 / ˌdɪfəˈrenʃəl ɔv ə ɑ:k /
英 / ˌdɪfəˈrɛnʃəl ʌv e ɑrk /
微弧
differential of a arc相关例句
A precise formula for equivalent load of prestressing force in curved girder of arc form is derived from the fundamental formulae of differential geometry.
由微分几何基本公式导得圆弧曲线梁中预应力等代荷载的精确公式，预应力钢索在曲梁中竖弯与平弯均较平缓，此时公式可得以简化。