marginal variation边际: limit; bound; boundary变异: heteromorphosis; variation; ...边际变动: marginal changes边际变化: marginal change; marginal variation实际变异性: true variability下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:边际变异，即可在微信中查询翻译
