骨髓手术 meaning in English

operation on bone marrow

And thanks to the continual miniaturization of electronics and micro - mechanics , there are already robot systems that can perform some kinds of brain and bone surgery with submillimeter accuracy ? far greater precision than highly skilled physicians can achieve with their hands alone
由于电子和微观机械仪器的不断缩小，现在已有一些机器人系统能够进行精确到毫米的脑部和骨髓手术，其精确性远远超过熟练的医生用他们的双手所能达到的水平。