Ship propeller noise can be predicted by non-dimensional analysis of ship model propeller noise.

通过无量纲分析船模螺旋桨噪声可以预报实船的螺旋桨噪声。

On the basis of the experimental data, derived was the "non-dimensional volume-flow rate formula of a falling-back liquid curtain".

根据实验数据，推导出了“回落液幕无量纲体积流率公式”。

The change of port layout Angle has little effect on the flow coefficient while playing an important role in the non-dimensional swirl.

气道布置角度的变化对流量系数影响不大，但对无因次涡流有很大影响。

It is demonstrated that the errors of the unified valve model are dependent on the damping coefficient alone using a non-dimensional approach.

采用非量纲分析法，验证了统一模型的误差仅依赖于阻尼系数。

The first order and second order incidence degree formulae can satisfy the requirement of specification, and possess isotonicity after non-dimensional disposal.

其中一阶和二阶差分关联度能满足规范性要求，具有无量纲化后的保序性。