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AT&T plans to spend 18 billion dollars in 2010 upgrading its wireless networks to handle the increasing amount of new traffic.
AT&T計(jì)劃于2010年投資180億美元，用來升級無線網(wǎng)絡(luò)，以滿足不斷增加的通信需求。
There is roughly 2 billion dollars more than the company had invested in the previous year.
相比去年，今年的投資增加了接近20億美元。
Specifically, AT&T will add 2,000 new cell sites and upgrade existing cell sites with three times more fiber links than it had in 2009.
具體來說，AT&T將新建2000座中繼站，并對現(xiàn)有中繼站進(jìn)行升級，升級后的中繼站光纖線路數(shù)量相較2009年將增加三倍。
This will increase capacity to connect the cell tower to AT&T's main network.
這將大大提升中繼站與AT&T主通信網(wǎng)絡(luò)之間的連接強(qiáng)度。
AT&T, which is the only wireless operator in the U.S. selling the iPhone, has been the target of much criticism over this past year,
AT&T是唯一與蘋果公司合作的無線通信運(yùn)營商。在過去的一年中它飽受蘋果手機(jī)用戶指責(zé)，
as many iPhone subscribers, particularly in densely populated urban areas, have complained about dropped calls, slow Internet access, and poor service.
尤其是居住在人口密集的城市的用戶，他們反應(yīng)的問題包括電話斷線、聯(lián)網(wǎng)困難、通信質(zhì)量差等。
Some critics claimed the company has not been spending enough on network upgrades to keep up with the growing demand.
一些人譴責(zé)AT&T沒有投入足夠的資金進(jìn)行網(wǎng)絡(luò)系統(tǒng)升級，因此無法滿足日益增長的需求。
AT&T has acknowledged that it has faced some difficulties, particularly in big cities. But the company is "closing the gap".
AT&T作出回應(yīng)，稱其的確遇到了一些難題，大城市中尤為明顯，但公司正在盡力補(bǔ)救。
Question 1.For what purpose will the AT&T's 18 billion dollars mainly be used?
1.AT&T的180億美元將主要作何用途？
Question 2.Where does AT&T face difficulties?
2.AT&T在哪方面面臨難題？
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