超音波檢查的資訊
3D printing - Wikipedia, the free encyclopedia超音波檢查的資訊 超音波檢查是利用超高頻率的聲波穿過人體,藉不同組織對聲波的反射程度不同,收集這些反射波後,超音波檢查經由電腦的精密計算,呈現出體內組織的構造,供醫師判斷正常或及異常。 因為超音波檢查沒有輻射線,對人體較無傷害,是一種相當安全、沒有侵襲性、短期內可多次檢查的儀器檢查,更是3D printing is any of various processes to make a three-dimensional object.[1] In 3D printing, additive processes are used, in which successive layers of material are laid down under computer control.[2] These objects can be of almost any shape or geometr...
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