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我国电子政务安全问题产生的原因是：（）
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简述ISO/IEC 14443标准中TYPE B的防碰撞过程。
在ISO/IEC 14443标准中TYPE B中，处于Ready-Declared状态的PICC对哪些命令的接受会使其状态发生转换？转换的下一个状态是什么？
简述我国常用的测图比例尺有哪些？分别用在什么场景之下？
选词填空：acceptance; assures; breakthrough; casually; encountered; destinations; ignorance; instantly; numerous; scattered1. The wound was ______ treated with salt. He should get better soon.2.Mountain regions around the world are important tourist ______ .3.Modern machinery and advanced technology ______ quality control.4. The foundation website provides ______ resources describing ongoing research projects.5.You may be turned away if you are dressed too ______.6.The only way to identify and correct ______ is to have an open and honest debate on it.7.I still remember his ______ speech from 2008 and I got teary eyed.8.Most bombs were ______ over rural districts.9.There are several difficulties ______ while studying subjective experiences like dreaming.10.This ______ may have potentially great impact in commercial applications.
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