Applicable range of this model and way for improving control surface efficiency have been pointed out.

指出数学模型的适用范围和改善操纵面效率的途径。

youdao

On the basis of a large number of field data, the regression equations of displacement coefficient, down-hole power loss and surface efficiency for pumping wells are established.

本文以大量的现场测试数据为基础，建立了抽油机井排量系数、井下功率损失及地面效率的回归方程；

youdao

The analytical results indicate that the control surface efficiency analyzed based on nonlinear experimental aerodynamic forces and linear theoretical aerodynamic forces are different.

研究表明：使用非线性试验气动力和线性理论气动力所分析得到的舵面效率具有较大的差别；

youdao

He is an acknowledged expert in the area of federal infrastructure budgeting and finance, having had an active role in the financing of each of the last three comprehensive surface transportation reauthorization bills dating back to the Intermodal Surface Transportation Efficiency Act of 1991.

WHITEHOUSE: THE WHITE HOUSE

With Brazilians Ilsinho and Rodrigues Jadson at the creative hub they began to pass the ball with stunning speed and efficiency, enjoying the zip they could get from the wet surface as they made Fulham chase shadows.

BBC: Fulham 2-1 Shakhtar Donetsk

Battery efficiency, lifespan and even safety could be vastly improved, the researchers believe, by increasing the surface area of the active materials that make up the battery electrodes.

FORBES: Magazine Article