基本解釋拋物線速度剖面英漢例句雙語例句It is demonstrated that each velocity profile can be divided into a logarithmic velocity region in the lower part and a parabolic velocity region in the upper part, according to its characteristics.試驗表明，根據(jù)斷面上各條垂線流速分布的特征，可將斷面劃分為對數(shù)流速分布區(qū)和拋物線流速分布區(qū)。parabolic velocity profile更多例句專業(yè)釋義機械工程拋物線速度剖面