MR diffusion-weighted imaging(DWI) reflects the microscopic Brownian motion of water molecules. It is a new technology for disease research from the cellular and molecular level.
磁共振弥散加权成像（DWI）反映了水分子的微观弥散运动，是从细胞及分子水平来进行疾病研究的新技术；
Brownian motion the random motion of microscopic particles due to their continuous bombardment by the much smaller and invisible molecules in the surrounding liquid or gas.
显微镜下可见的颗粒的随机运动，是由于在液体或气体环境下许多小而不可见的分子连续碰撞产生的。
Brownian motion the random motion of microscopic particles due to their continuous bombardment by the much smaller and invisible molecules in the surrounding liquid or gas.
显微镜下可见的颗粒的随机运动，是由于在液体或气体环境下许多小而不可见的分子连续碰撞产生的。
应用推荐