After more than a decade of work, scientists have completed a 3-d atomic-scale map of a virus that causes the common cold.
经过了超过十二年的研究工作，科学家们已经完成了一种导致普通感冒的病毒的3 - D原子结构示意图。
First discovered in the 1950s, adenovirus is a major class of disease-causing agents that include viruses that causes the common cold.
腺病毒在1950年被发现，是一类致病因子的主要种类，包括能导致普通感冒的病毒。
Change in temperature, allergies, smoking, the common cold — pretty much anything that causes swelling in your sinuses or keeps the cilia from sweeping away mucus — can cause sinus problems.
温度的变化，过敏，吸烟，普通感冒——许多能够导致你鼻腔肿胀和阻止纤毛扫除鼻涕的东西——能够引起鼻炎。
Simple laryngitis usually occurs with infections such as the common cold. Other causes include inhalation of irritants.
简单的喉炎通常由像普通感冒这类感染引起。其它原因还有吸进刺激物。
The causes of the common product defects formed in production with YFC series of cold welding bimetal contact manufacturing machines are analyzed and corresponding solutions are proposed in .
本文主要对YFC系列冷压焊复合触头自动机生产中常见产品缺陷的形成原因及解决办法进行了探讨。
The causes of the common product defects formed in production with YFC series of cold welding bimetal contact manufacturing machines are analyzed and corresponding solutions are proposed in .
本文主要对YFC系列冷压焊复合触头自动机生产中常见产品缺陷的形成原因及解决办法进行了探讨。
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