懂英语的高手请进!想用英文写一篇文章是关於计算机构造的~但苦於英语水平不行~想有能之士~帮我写一篇好吗~大约200字就可

Hard drive,the disc is in the aluminum or glass substrates coated with thin magnetic materials,protective materials and lubricating materials,a variety of different functions such as layers of material processed.
We still have solid-state drives
Solid-state hard disk storage medium is divided into two kinds,one is the use of flash memory (FLASH chips) as a storage medium,the other is the use of DRAM as storage medium.
Flash-based solid state disk (IDE FLASH DISK,Serial ATA Flash Disk):used as a storage medium FLASH chip,which is what we commonly referred to as SSD.Its appearance can be made into a variety of appearance,for example:laptop hard drives,micro hard drives,memory cards,USB flash drives and other styles.
DRAM-based solid state drives:Using DRAM as a storage medium,the current narrow range of applications.It is designed to emulate a traditional hard drive and can be most of the operating system volume file system tools to set up and manage,and provides industry-standard PCI and FC interfaces used to connect the host or server.Application of methods can be divided into SSD hard drive and SSD hard drive array two kinds.It is a high-performance memory,but life is very long,fly in the ointment is the need for an independent power to protect data security.
The advantages of solid-state drives

上google的翻译，写中文，自动出英文。很方便的。