annual variation
词语： annual variation
解释： 年变化，周年偏差，磁差年变化
词典： 海运专业英汉词典
annual variation 相关解释
annual variation 〔名词〕年变化
annual variation 〔名词〕年变化
annual variation 〔名词〕年变动
annual variation 〔名词〕年变异,年变程,年变化
annual variation 〔名词〕年变化,年变
annual variation 〔名词〕年变动