iris diaphragm 中文意思是什麼
iris diaphragm
解釋
【攝影】光圈。-
The condenser is equipped with an iris diaphragm, a shutter controlled by a lever which is used to regulate the amount of light entering the lens system
聚光鏡裝配有瞳孔膜,那是一個有貢桿控制的快門,用來調節進入鏡頭系統的光量。 -
Conclusion : contrast - enhanced ultrasound demonstrates typical hemangioma imaging characteristics, that is, peripheral nodular contrast enhancement and iris - diaphragm sign in a high percentage of patients with undetermined lesions
結論:超聲造影表現為典型的肝血管瘤影像學特點,即在絕大部分有不確定病變的病人中表現為周圍結節性增強和可變光圈征。
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