The black painted aluminum case with all stuff inside called Head and Disk Assembly or HDA.

黑与所有内部称为头盘东西大会或港龙画铝盒。

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As an example, the modes of vibration for a bladed disk assembly with 16 blades were analyzed.

以一个含16个叶片的叶片—轮盘结构为例，分析了它的振动模态。

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By taking example for bladed disk assembly, the localization of vibration mode in cyclic periodic structures is studied.

以叶片—轮盘结构为例，研究了循环周期结构的振动模态局部化问题。

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Replacement and repair of this equipment should provide at least a short term revenue opportunity for companies such as KLA-Tencor, Flexstar, Teradyne and Xyratex as well as a host of other component and hard disk drive assembly and test equipment companies .

FORBES: Capital Equipment Likely Needed for Thailand HDD Factory Repairs

The secret to packing that much information on such small real estate--about 15 times denser than the densest data storage device currently in existence--is self-assembly, or tricking the disk's materials into organizing into an array of data-storing dots packed far tighter than what could be accomplished with current techniques.

FORBES: Magazine Article

The ferocious seasonal rains that hit the country in October 2011 caused massive flooding which disrupted the production of hard disk drives, cameras, microchips and automotive parts and assembly plants.

FORBES: Thai Power Woes Threaten Tech Supply Chain; How To Respond