扫描电镜下可见丰富的毛细血管注入大脑内静脉的小集合静脉；

Under SEM it was found that numerous venous capillaries emptied into the collecting venules of the internal cerebral vein;

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扫描电镜下可见丰富的毛细血管注入大脑内静脉的小集合静脉；

Under SEM it was found that numerous venous capillaries emptied into the collecting venules of the internal cerebral vein;

youdao