group additive utility function 群可加效用函数
additive group [数] 加法群
group additive method 基团加和法
divisible additive group [数] 可除加法群
free additive group 自由加法群
ordered additive group [数] 有序加法群
complete additive group [数] 完全加法群
finite additive group 有限加法群
The Mengniu Dairy Group Co, one of the leading dairy companies in the country, is being investigated by China's quality watchdog for an unapproved protein additive in one of its milk products.
蒙牛乳业集团，作为国内领先的奶制品公司之一，在其奶制品中添加一种未经批准的蛋白质添加剂，目前正接受中国质检机构的调查。
The group had 18 inspection procedures to ensure quality of its pork, said an executive with in the chairman office of the group, without explaining why the illegal additive failed to show up.
双汇集团总裁办公室经理称，双汇集团施行十八道检验确保产品安全，但其并无解释非法物质被验的原因。
The green additive was added in test group hens, while the control group was not.
试验组添加蛋鸡用复合绿色饲料添加剂，对照组不添加。
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