英德
有道
百度
谷歌
图片
维基
百科
等效率曲线 [děng xiào lǜ qū xiàn]
iso-efficiency curve
- 摘要阐述了循环水泵变频调速的节能原理，提出离心水泵相似定律的适用性和等效率曲线概念。
Presents the energy saving principle of a frequency-controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves. - 以实际工程为依托,从顶管工程质量、施工技术、项目投资和环境保护等方面分析了大直径混凝土管性能,混凝土管具有耐久性好、环保、节省前期投资和后期维护费用、施工效率高、施工工艺可操作性、可曲线顶进等优点,有着广阔的应用前景。
By an engineering example,performances of large diameter concrete pipe are discussed on the engineering quality,construction technique,project investment and environment protection.The result reveals that the concrete pipe have such advantages as better durability,good environment protection,less pre-investment and maintenance,high efficiency on construction,easy to operate,and with the ability of pipe-jacking in curve.So there is good application prosperity for it. - 为提高足球机器人在比赛中的射门次数,以及射门效率,在分析了人类足球中盘带过人等技术的基础上,引入余弦曲线作为机器人射门路线。
In order to increase the shooting times and shooting effects and on the analysis of the human soccer tape extraordinary technology, this paper introduce cosine curve into the goal line of robot.
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