GCA
abbr. 地面控制进场（Ground Controlled Approach）；美国女青年俱乐部（Girls Clubs of American）
例句
The Global Customer audit "GCA" is the official audit guide.
全球顾客评审GCA是正式的评审指南和方法。
The result showed that all inbred-lines had remarkable variance of GCA, SCA.
结果表明：各自交系的GCA、SCA方差均达到极显著水平。
The inbred Zheng58, with high starch content and high GCA effect, was one of important resource in high starch breeding.
自交系郑58的淀粉含量和GCA效应均较高，是高淀粉育种的重要资源之一。
