n-dimensionalCOCA¹⁵⁵⁴⁴⁷BNC¹⁰⁴⁵⁸⁴⁺⁶iWeb⁵⁰³⁴⁰ 基本例句 🌏维 The real symmetric matrix, the diagonal matrix and the orthogonal basis of n-dimensional Euclidean space are studied. 研究实对称矩阵、对角矩阵以及欧氏空间的规范正交基。 dictall In its century's development history, the most representative concepts were spatial niche, functional niche, and n-dimensional hyper- volume niche. 在生态位概念百年演变史中,“空间生态位”、“功能生态位”与“多维超体积生态位”最具代表性。 cnki