1.He made a compelling case for why foreign aid is an essential component of an effective national security strategy.
他将外国援助对于一国国防的重要性讲得条分缕析。
2.Iron is an essential component of haemoglobin, a substance in red blood cells that carries oxygen around the body.
铁是血红蛋白重要的组成部分之一，足量的血红细胞运送着人体内必须的氧。
3.In my experience, it's an essential component of reading that one should be able to see around the corner.
以我的经验，阅读主要的组成部分，在于书籍要能触手可及。
4.Regular physical activity gives a further boost and is an integral and essential component of a healthful lifestyle.
规律的体力活动也能促进骨骼健康，是健康生活方式不可或缺的部分。
5.Although factory overhead normally cannot be identified with the inpidual jobs, it is an essential component of manufacturing costs.
尽管制造费用很难和具体工作联系到一起，但却是制造成本的必要组成部分。
6.Computer virus, whose essential component is a set of instructions, is one kind of threat to the security and integrity of computer system.
计算机病毒是由一系列电脑程序组成的，它对计算机系统的安全性和完整性构成威胁。
7.Coenzyme Q10, also known as Ubiquinone, is an essential component of our cells which promotes energy production.
辅酶Q10，即泛醌，是细胞促进能力产生的主要成分。
8.An essential component for all of these actions (stated explicitly in the last one) is the ability and the authority to make decisions.
所有这些行为中的必要部分（在最后一个中明确地陈述了）是制定决策的能力和权力。
9.Just like the clarinet, the violin and other wind and string instruments uses the ebony as the essential component to generate the sound.
就像单簧管，小提琴，和其他风和字符串文书使用黑漆作为必不可少的组成产生的声音。
10.Such a treaty would be an essential component in the policy interventions to alleviate situations in countries such as Uganda.
这样的条约是缓解乌干达等国家局面的重要政策干预手段。