Base station for digital cell mobile communication network has a great increase, so the management of base station is more important.

数字蜂窝移动通信网基站数量日益增多，基站管理日趋重要。

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IntroductionIn the communication systems, echo and noise will seriously affect speech communication quality, such as IP telephone, videophone and hand-free digital cell phone systems etc.

引言在通信系统中，例如IP电话、可视电话及免提数字蜂窝电话系统中，回声和噪声会严重影响通信质量。

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Spread Spectrum technique is widely used in digital cell-phone mobile communication system, satellite mobile communication, inside wireless communication and future personal communication.

扩频技术在数字蜂窝移动通信系统、卫星移动通信、室内无线通信和未来的个人通信中被广泛采用。

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"We have one project called bee-spotters, which is now restricted to Illinois, where we ask people to go out with a digital camera,even a cell phone, and photograph either bumblebees or honeybees."

VOA: special.2011.05.24

"We are here today to announce the first synthetic cell -- a cell made by starting with the digital code in the computer, building the chromosome from four bottles of chemicals, assembling that chromosome in yeast, transplanting it into a recipient bacterial cell and transforming that cell into a new bacterial species."

VOA: special.2010.07.20

Third, Globalstar phones have three modes: analog cell, digital cell (Qualcomm's CDMA) and satellite.

FORBES: Readers Say

Now, Qualcomm is a promising telecom company with a lock on a technology (called code division multiple access) that is becoming the standard for digital cell phones.

FORBES: Analyze This

Twenty one percent said they would be willing to give up digital devices and cell phones for a month, though only 14% said they would go without the Internet for a month.

FORBES: What Would You Do to Avoid Paying Bills?