
lca
词源
LCA 是缩写词,源自 'Lowest Common Ancestor' 和 'Life Cycle Assessment' 的首字母组合。
noun
❶ LCA 是 'Lowest Common Ancestor' 的缩写,指在树或图中两个节点的最低共同祖先节点。
“In a binary tree, the LCA of two nodes is the deepest node that has both nodes as descendants.”
(在二叉树中,两个节点的 LCA 是拥有这两个节点作为后代的最深节点。)
“The LCA algorithm is widely used in computer science for solving tree-related problems.”
(LCA 算法在计算机科学中广泛用于解决与树相关的问题。)
❶ LCA 也可以指 'Life Cycle Assessment',即生命周期评估,用于评估产品或服务对环境的影响。
“An LCA evaluates the environmental impact of a product from raw material extraction to disposal.”
(生命周期评估评估产品从原材料提取到废弃处理的环境影响。)
“Companies use LCA to improve the sustainability of their products.”
(公司使用生命周期评估来提高产品的可持续性。)
常见短语
LCA algorithm — 用于计算树或图中两个节点的最低共同祖先的算法。
“The LCA algorithm can be implemented using binary lifting for efficient queries.”
(LCA 算法可以使用二进制提升技术来实现高效查询。)
LCA study — 生命周期评估研究,分析产品或服务的环境影响。
“The LCA study compared the environmental footprint of plastic and paper bags.”
(生命周期评估研究比较了塑料袋和纸袋的环境足迹。)