We heard some pretty ridiculous estimates over the weekend, but
these figures are straight out of Cupertino's mouth: over 300,000
iPads were sold on April 3rd. Specifically, that many were moved in
the US as of midnight (PT, we're assuming) on Saturday, though
this does include deliveries of pre-ordered units to
customers, deliveries to channel partners (such as Best Buy) and
sales at Apple Retail Stores. We should point out, though, that
just because Best Buy purchased a bundle...
终于看完了，两只眼睛都快成了金鱼眼。自从败了这个iPhone，就开始每天至少留半个小时的时间来在上面看书，当然，是闲书。每天必干的一件事情，就是打开Stanza，上去看看每天的更新，有喜欢的就下载。到现在，已经看完的书，包括《激荡三十年》、《风声》、《历史是个什么玩意》、《读者》若干、《21世纪经济报道》若干，还有就是这部耗时最久的《明朝那些事儿》。一共七本书，在小小的iPhone屏幕上，我足足看了两个多月。最主要的时间，是晚上躺在床上准备睡觉的那时候，手里捧着手机开始看，一般看不超过半个小时，手机从手机掉到...
The Embedded Systems Conference (April 26-29, San Jose) may seem an unlikely place for
designers with RF interests. After all, the "real" place for RF is
at ...
Figure 8.1 ViewSonic VCP08’s shape and size. ViewSonic
VCP08电脑手机的平面尺寸比普通手机略大，但是厚度则远超普通手机，参见Figure
8.1。超凡的厚度，并不仅仅是因为VCP08手机采用翻盖设计，事实上，VCP08电脑手机，是XP上网本与MTK手机，两个独立运行的系统的简单合并。
Figure 38. GSM-GPRS Architecture
以GSM系统为例，手机以无线方式建立起与基站（BTS）的联系，两者之间通讯接口是Um。基站与基站控制器（BSC）之间的通讯接口是Abis，基站控制器与移动交换中心（MSC）之间的通讯接口是A，参见Figure
38。 
Figure 39. GSM Protocol Layer [1]
所谓接口（Interface），是一组协议的代名词，而这些协议可以分成若干层，层层叠叠，所以接口又被称为协...
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