y时间倒计时设置插件

用于计算双质点扭振，可计算共振点及一定频率范围内的传递比(Calculation of Torsional Vibration, Resonance and Transfer Ratio of Two Particles)

Handbook of Intercom Systems Engineering

java 实现的瀑布效果-银河落九天的效果,效果生动-achieve the waterfalls- Galaxy charged nine effect, the effect vivid

大叔大叔大叔的撒的大大说的我该如何一天大大说的撒的撒(qazqqswqfdeferhgtyndvSXVergbVberhaegadfvxczvzxcvcxzvzxczxcvzxczxcvzxcv)

说明：  模拟I/O控制，实现对时钟芯片的设置及读取。(Analog I / O control to realize the setting and reading of clock chip.)

说明：  北航数值分析课件全套，包含考试题和大作业的要求。(Beihang numerical analysis courseware)

能自动设计出最佳的文丘里管,只需进口的参数即可。-Can automatically design the best Venturi tube, simply import the parameter.

说明：  通过布谷鸟群算法对设定的多个目标进行优化，并最终获得分布式电源的最优选址定容(Through the CUCKOO swarm algorithm to optimize the set of multiple objectives, and finally obtain the optimal location of distributed generation capacity)

说明：  用于计算贝叶斯频谱概率，可用于实际工程！！!(used to calculate the Bayesian probability spectrum can be used for actual works! ! !)

说明：  采用flac2d 模拟具有一定JRC值的节理面直剪试验(Direct Shear Test Simulation of Joint Plane with Certain JRC Value by Flac2d)