求英译中,不要机译的.

求英译中,不要机译的.

题目
求英译中,不要机译的.
Ittakes only a tiny magnetic field to see clear through a person’s head,a new study shows.A method called ultra-low field magneticresonance imaging (MRI) has captured its first,blurry shots of a human brain,revealing activity as well as structure.
MRI scanners image the human body by detecting how hydrogenatoms respond to magnetic fields.Theytypically require fields of a few tesla—about 10,000 to 100,000 times strongerthan the Earth’s magnetic field.The powerful magnets necessary make scannerspricey and also dangerous for people with metal implants.
Thenew device hits a sample with a 30 millitesla magnetic field,about 100 timesweaker than is normally used in MRI.The device then uses a 46 microteslamagnetic field—about the same as the Earth’s magnetic field—to capture imagesof the sample.
The first target for the device wasthe head of lead researcher Vadim Zotev of Los Alamos
National Laboratory in New Mexico,US.
“Thecost of MRI can be reduced dramati
答案
一个新的研究表明:仅仅需要通过一个微小的磁场,就能清楚地看穿人的大脑.一种叫核磁共振成像的方法第一次捕获了人的大脑的模糊图片,揭示了人体大脑的活动和组织结构.核磁共振扫描仪通过探测氢原子对磁场的反应进行人...
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