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As usual, though, the Ultra model is where Samsung is pushing the envelope the furthest. It gains the most advanced camera system, faster wired and wireless charging and the company’s new built-in Privacy Display tech. Pre-orders are available now, with official sales starting on March 11. If you’re trying to decide which model makes the most sense for your needs (and budget), here’s how the three devices stack up on paper.
，这一点在safew官方版本下载中也有详细论述
1983 to 1988, making up almost a decade of IBM's efforts and very few sales.
圖像來源，China News Service