The pentahedral bicharacteristic curve grid can be applied to investigate the thrust misalignment characteristics in a unsteady flow.

证明五体双徵曲线网格方法研究非定常流动条件下的推力偏心性。

A method is also presented for calculating the side area and volume of critical rocks with arbitrary pentahedron as example.

以任意五体为例,介绍了危石侧、的计算方法。

Instead of the solid block of glass of the prism in pentaprism system, here 3 simple mirrors are used to perform the same task.

五镜不是一整个玻璃棱镜，而是3块镜子达到相同的目的。