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世界领先的数字近景摄影测量系统软件2007版，绝对值得收藏。(The world s leading digital close-range photogrammetry system software, 2007 edition, is worth collection.)

有2*n个盒子排成一行，其中有两个相邻的空盒，有n-1个盒子有符号 A ，有n-1个盒子有符号 B 。例如，n=5，并有初始配置如下： A B B A . . A B A B (2* n box row, wherein there are two adjacent empty box, n-1 of a box with the symbol ' A' , the symbol ' B' n-1 th box. For example, n = 5, and the initial configuration is as follows: ABBA .. ABAB)

这是一个开发人员面试评估表，希望大家用得上的。(Developer Interview Assessment Form)

这个程序是POS机ANSIX9.9算法验证工具(This program is under the POS machine ANSIX9.9MacTool)

随意输入一个不大于5位的任意数分别将这些数字显示出来

CIO协会编写的软件及信息化工程造价方法和指南(Software and Information Engineering Cost Method and Guidelines Written by CIO Association)

基于STM32的rtc实时时钟，实现时分秒到年月日的转化，适合初学者的学习与开发。(Based on the STM32 rtc real-time clock, minutes and seconds to the date to achieve the transformation, suitable for beginners to learn and develop.)

说明：  webrtc aec回声消除仿真 包换aec里面的四大模块 仿真效果很好(Webrtc AEC echo cancellation simulation package replaces four modules in AEC with good simulation results)

This a 802.15.4 simulator for star topology. This provides energy consumption, throughput, delay, and many other performance metrics.-This is a 802.15.4 simulator for star topology. This provides energy consumption, throughput, delay, and many other performance metrics.

FIR低通数字滤波器的设计，利用matlab编程语言利用FIR1函数设计低通滤波器。(Design of FIR Low Pass Digital Filter)