The backside of the phone is made from the same kind of ultra-strong glass as the front, interrupted only by the new five megapixel camera, its LED flash companion and, of course, the Apple logo.

iPhone背部采用了同样的超强玻璃，包括五百万像素摄像头，LED 闪光灯和 Apple 图标。

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Each flash on this visualization put together by ITO World shows an edit in 2009 made to the open street map.

在ITO World（itoworld.com）可视化地图里，每个亮点都是大家在2009年编辑的，这形成了公开街道地图。

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The flash drive for the 8GB iPhone 4 is being made by an unknown Korean company. But Apple currently sources its flash drives from Japan's Toshiba and South Korea's Samsung Electronics.

8GB版iPhone4所采用的闪存现由韩国一家公司制造，但苹果目前也在日本东芝和韩国三星电子中寻求闪存的外包合作。

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The first is another proprietary technology, called Flash-OFDM, made by a firm called Flarion.

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Flash memory for these devices is made by companies such as Intel, Micron, SanDisk, Samsung and Toshiba.

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Kolodgy recommends using a "token, " another type of device based on flash memory that functions as a key, made by companies such as Rainbow Technologies.

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