2018年5月24日 · The Corsair Obsidian 550D features ten 120mm fan mounting points, six of which also support 140mm fans and a spot for a 240mm radiator for liquid cooling; eight rear expansions slots along...

2012年11月15日 · While we all wait for the successor to the 800D to turn up, Corsair's outed a smaller, more budget friendly version of its Obsidian line: the mid-tower beast designed to keep sound down. Push...

2012年5月18日 · Somewhat late to the party, the Obsidian 550D costs a bit more than the competition, but manages to offer an extremely well rounded package giving the user the flexibility between silence and viable compromise for performance.

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总体而言，佳能550D是一款功能强大、性能优秀的入门级单反相机，适合摄影爱好者和初学者使用，提供了丰富的拍摄选项和创意功能，能够满足多种拍摄需求。 这个机型有点老。 对焦点也很少。 建议EOS650D起步。 因为 这个机子我用过。 照片 配合适马的17-50 F2.8的头 非常可用。 不值得，性价比很差，除非你钱多不考虑性价比。

综合来看，550d应该是1000元以下二手单反性价比最高的一款了，对于新手练手来说还是不错的，后续如果对于摄影没有太大的热情也可以及时止损。 发布于 2019-08-28 09:32

2012年6月10日 · We review the Corsair Obsidian 550D mid-tower chassis. The end result is a mid-tower chassis with cool looks, low noise levels and the latest trendy features such as USB 3.0 front panel support,...

2020年9月25日 · 危及器官 (organ at risk，OAR)指在放射治疗 (radiation therapy,RT)中可能卷入射野内的健康组织或器官。 它们的放射敏感性（耐受剂量）将显著著地影响治疗方案的设计或靶区处方剂量的大小，在确定计划靶区时要考虑这些器官的存在。 2)、胸部肿瘤OARs：肺 lung、食管 esophagus、心脏 heart、肝脏liver、脊髓 cord. 3)、腹部盆腔肿瘤OARs：肝脏liver、脾脏 spleen、肾脏 kidney、胰腺 pancreas、小肠 intestine、结直肠 colon 膀胱bladder、阴 …

Obsidian Series™ 550D drive cage with 3 drive trays. SKU: CC-8930055. Overview; Tech Specs; Guides; null ...

The Obsidian Series 550D is an amazing combination of expandability and low noise. With sound dampened side panels, hard. drive trays, and angled intake vents, the case is so quiet you’ll barely know it’s on. But with eight expansion slots, USB 3.0, native. SSD compatibility, and removable hard drive cages, just about anything will fit inside it.