所有这些人都携带着人类白细胞抗原(HLA)-B57基因，现在，来自麻省理工和哈佛的研究者在麻省理工总医院雷根研究所发现了HLA-B57令HIV自然免疫的新机理。
Now a team of researchers from the Ragon Institute of Massachusetts General Hospital, MIT and Harvard has revealed a new effect that contributes to this gene’s ability to confer immunity.
提出了一种用便于携带的软材质进行称重测量的方法，初步研究了这种软质材料构成的电容的称重传感机理。
The method of weighing by using soft material which is easy to carry is presented in the paper. The weighing sensing mechanism of the capacitive made by this material is studied.
本文从医学超声诊断的成像机理上综述和探讨了超声波在医学中的应用，以期探讨超声回波所携带信息的描述。
A brief review and some discussions are made on the principle of ultrasound imaging in medical diagnosis on that in order to get the representation of the information from the echoes.
本文从医学超声诊断的成像机理上综述和探讨了超声波在医学中的应用，以期探讨超声回波所携带信息的描述。
A brief review and some discussions are made on the principle of ultrasound imaging in medical diagnosis on that in order to get the representation of the information from the echoes.
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