近年来这方面的研究开发主要是围绕结构 、 合成 、 表征和催化反应等方面开展的. of this abstraction. The values for getRadius() or getCircumference() in the above mentioned illustration can be stored directly, or they could be calculated, it would not subject for the caller; the setters could or won't have side effects; it doesn't subject to the caller. . https://whitelanddwarkaexpresswaygurgaon.tech.blog/2025/06/14/jms-low-rise-floors-manesar-modern-living-rooted-in-serenity-at-sector-m9/