orthoheliotropism是什么意思

用法例句

Using N×2D approximate algorithm,the vertical directionality of ambient sea noise with uniform distributed surface sources and slope bottom is calculated based on ray method.

在射线法的基础上,采用N×2D的近似算法,研究了斜坡海底情况下,均匀分布在海面上的噪声源所产生的环境噪声垂直指向性。