drop call

基本解釋

And at the other end, I’d have a hard time believing that the 3GS’s dropped call rate was significantly lower than 1 percent.
而在另一方面，我就很難相信 3GS 的通話(huà)掉線(xiàn)率居然比 1% 還小得多。
The paper was published in 2002, however, so it’s impossible to say how applicable it is to the industry-wide dropped call rate in 2010.
但這篇論文是在 2002 年發(fā)表的，因此很難說(shuō)它是否適合于 2010 年的整個(gè)產(chǎn)業(yè)的平均通話(huà)掉線(xiàn)率。
UPDATE, 21 JULY 2010: According to slide 11 of this PDF presentation from AT&T back in January, their network-wide dropped call rate for 3G was 0.91 percent.
年 7 月 21 日更新：據(jù) 1 月 AT&T 發(fā)表的 PDF 演示文檔中的第 11 頁(yè)，他們?nèi)W(wǎng)的 3G 通話(huà)掉線(xiàn)率為 0.91%

Americans no what it means to have a dropped call or cranky connection.
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For voice the difference will be a clean completed call or a noisy dropped call, for data services the better the signal strength the higher the data rate you will obtain in both directions.
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The dropped-call rates are slightly higher with VoIP, but not by much.
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