基于SNMP协议的网络拓扑发现程序,随着SNMP推广，在众多的网络拓扑发现算法中，基于SNMP算法越来越实用-SNMP protocol based on network topology discovery procedure, with the SNMP extension, in a number of network topology discovery algorithm, the more practical algorithm based on SNMP

Stm32F3 Discovery GPIO and LEDblinking Code

射线康普顿散射在原子物理中占有很重要的地位，本文简单介绍了X 射线的发现历史，阐述了X 射线的连续谱和标识谱的产生 机制，在此基础上讨论了X 射线在散射前后光子能量的变化和电子获得的反冲能量的变化行为，并探讨了与X 射线散射相关的物理现象。-Ray Compton scattering plays an important role in atomic physics, the article briefly describes the history of the discovery of

The first bipolar junction transistors were invented by Bell labs William Shockley, which applied for patent(2,569,347) on June 26, 1948. On April 12, 1950, Bell Labs chemists Gordon Teal and Morgan Sparks had successfully produced a working bipolar