The lens barrel is arranged on the lens holder top part.

所述镜筒设置于镜座顶部。

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The lens holder comprises a lens holder top part and a lens holder bottom part, wherein the lens holder bottom part and the image sensor are loaded on the substrate.

所述镜座包括一镜座顶部与镜座底部，所述镜座底部与所述影像感测器承载于所述基板上。

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Objective To investigate the therapeutic effects of arc blade holder in extracapsular cataract extraction and intraocular lens implantation through small incision.

目的探讨弧形刀片夹持器夹持剃须刀片做小切口白内障囊外摘出人工晶状体植入术的效果。

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The holder start in a locked vertical position, and to attach a lens you just bayonet it into place, securing the glass and allowing the holder to be lowered.

ENGADGET: Insert Coin: Quikdraw targets lens fumblers and multiple camera packers (video)