sampling inspection by variables变量: variable; variable quantity; ...抽样: sample; sampling; specimen; ...检查: check up; inspect; examine; ...变量抽样: variable sampling变量抽样法: variables sampling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:变量抽样检查，即可在微信中查询翻译
