当对人体组织施加一个强磁场时，原子核的磁旋就会排列整齐，这就能生成一个强度足以让天线探测到的信号。
When a powerful magnetic field is applied to the tissue, the nuclei's magnetic spins align, generating a signal strong enough for an antenna to detect.
门户框架可以对门户页面上的Portlet内容进行管理、组织和排列。
Portal frameworks can manage, organize, and arrange portlet content on portal pages.
用它来帮助你组织想法，考虑其它的优先事项，收集和分析定性和定量的信息，比较、评估和排列那些地点。
Use it to help you organize your thoughts, consider other priorities, collect and analyze quantitative and qualitative information, compare, rate, and rank places.
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