The study showed no association between the formation of either tumor and mobile phone use, even when they only considered people who’d been using mobile phones for at least 10 years.
研究显示，即便是那些使用手机已有10年之久的人，其肿瘤恶发也和使用手机没有任何关联。
A class of general multiple mobile robots formation control system of achieving coordination through communication channel was described.
论述了一类通用的经过通信信道进行协调的多移动机器人编队控制系统。
The paper describes the feature, mechanism of formation, research methods and possible applications of jet halo of mobile heavy metal above oil bearing formation.
叙述了石油层上方重金属元素的射流晕分布特点、形成机制、研究方法及其可能的应用。
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