价值链包括主要活动和支持活动，它们共同产出利润率。
The value chain consists of primary and support activities that together produce the profit margin.
主要活动包括在一些地区实施例行流行病学监测、营养监测和微量营养素缺乏控制。
The main activities include routine epidemiological surveillance, nutritional surveillance and control of micronutrient deficiency in some regions.
该杂志以报道驻英外交界主要活动、对各国驻英使节访谈、国际问题评论等为主要内容，读者包括各国驻英外交官、英国内阁和影阁成员、上下院议员、欧洲议会议员、国际问题专家与学者等。
Its readership includes diplomats in the UK, British Cabinet and Shadow Cabinet members, MPs, Lords, MEPs and international relations scholars and experts.
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