The Sukhoi Su-27 (Russian: Сухой Су-27; NATO reporting name: Flanker) is a Soviet -origin twin-engine supersonic supermaneuverable fighter aircraft designed by Sukhoi.

German submarine U-27 was a Type VIIA U-boat of Nazi Germany's Kriegsmarine built for service in World War II. Her keel was laid down in November 1935 in Bremen. She was commissioned in August 1936 with Korvettenkapitän Hans Ibbeken in command.

2023年5月5日 · VERSATILE & SPACE EFFICIENT - Designed for 19" standard rack-mounted equipment, this 2U cabinet features an adjustable depth from 24.6" (625mm) to 27.5" (700mm) and vertical mounting. Its low-profile design optimizes space in tight locations, perfect for switches, servers, and patch panels.

1U的硬盘数最多可以插4个，2U可以插8个，另外PCI的插槽数目也不同，1U最多2个，2U的可以到6个。 U是服务器机箱的高度 1U等于4.45厘米 ，那3U就是3x4.5CM了。 U (unit的缩略语)是一种表示组合式机架外部尺寸的单位，详细尺寸由作为业界团体的美国电子工业协会（EIA）决定。 EIA 即Electronic Industries Alliance 电子工业协会，美国电子行业标准制定者之一。

2U is an American educational technology company that contracts with non-profit colleges and universities to build, deliver, and support online degree and non-degree programs. [2][3] It is also the parent company of edX. [4] . On July 25, 2024, 2U announced it had filed for bankruptcy.

主要表现在硬盘个数上：1u最多的4个，2u的可以达到8个；其次表现在pcie的插槽数目上，1u最多2个，2u的可以达到6个或更多。 1u的高度有限，对配件有着特殊要求，会增加整体硬件的成本与配件选配上的难度。 2u服务器拓展空间大、扩展性强、可以提供8至24块硬盘。

2025年1月25日 · Struggling with -2u-27=7u? Watch our step-by-step video on Tiger Algebra to master this linear equation effortlessly. Also check out https://www.tiger-algebr...

Offering a weight capacity of up to 50lb (22.7kg), the sliding rack shelf features a ventilated, cold-rolled steel shelf on two locking adjustable rails which allow the shelf to be installed into virtually any 4 post cabinets or racks with mounting depths from 27.7in (702.2mm) to 31.6in (802.2mm).

2022年10月23日 · U（unit 的缩略语）是一种表示机架式服务器高度尺寸的单位。U 的详细尺寸由美国电子工业协会（EIA）制定，1U=4.445 厘米，2U=4.445*2=8.89 厘米，依此类推。 U 并不是服务器的专利，最早是用于通讯交换的机架结构，后被引用到服务器的机架。

Struggling with u-3+2u-27+2u-35=180? Watch our step-by-step video on Tiger Algebra to master this linear equation effortlessly. Also check out https://www.ti...