n.波動；彎曲；起伏

As an assistant one to the shipping industry,which is fluctuated with the undulation of the shipping. 船供行業(yè)作為航運業(yè)的一個輔助行業(yè)也會隨之波動而受到影響。

Factor effecting injection quantity uniformity were briefly analyzed, and the undulation quantity and injecting pulse revising was put forth to meet the respective demand. 簡要分析電控噴油器的均勻性影響因素，提出了壓力波動量控制的辦法和噴油脈寬修正的辦法滿足小噴油量均勻性要求。

But some unexpected enthusiasm and undulation are needed under the rational business imprints. 但是理智的商業(yè)印記下，也需要一些出乎預(yù)料的激情和起伏。