These functions are helpful for simulations (so you can re-run the simulation), but they are extremely dangerous if you're using them to create secret keys for security.
虽然这些函数对于模拟程序来说是有帮助的（因此您可以重新运行模拟程序），但是如果您使用这些函数来创建安全密钥，那可实在是非常危险。
This paper summarizes the re - search progress and status of cardiovascular circulation system models at home and abroad, as well as the trend of cardiovascular system modeling and simulation.
本文就心血管系统模型的国内外研究现状与进展以及心血管系统建模仿真的发展趋势进行综述。
Numerical results reveal that HS is a powerful search algorithm for hydrologic model parameters and can gain good simulation re. suit for annual runoff.
结果表明，该算法自动率定水文模型参数效率很高，获得的年径流量模拟结果较好。
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