near-surface英'niərs'ɜːfɪs美'niərs'ɜːfɪsCOCA⁹⁵¹⁵⁰BNC⁵⁸¹⁷⁷iWeb⁴⁶⁰¹¹ 基本例句 近地表¹⁰⁰ An ultra micro-indentation system for investigating plastic and elastic properties of hard coatings and near-surface materials is described. 本文介绍了一种用于研究材料尤其是薄膜塑性和弹性性能的超显微压痕系统。 cnki