On one hand, the vast parallelism inherent in DNA computation brings new challenges to modern cryptography, which is based on hard mathematic problems.
一方面，DNA计算固有的超大规模并行性给安全性依赖于数学困难问题的现代密码学带来了新的挑战。
Displacement of stress-resultants computation technique of semi-rigidly connected steel frames inclucing stiffness matrix method, hand calculation method has been proposed.
本文提出了半刚性连接钢框架位移和内力计算的刚度矩阵法，另外还提出了在水平荷载和竖直荷载作用下内力的简化计算方法。
On the other hand, the anisotropic diffusion equation was introduced in the oriented smoothness constraint so that the computation of flow velocity in the motion discontinuity can be improved.
另一方面将各向异性扩散方程引入方向平滑约束，以改善包括运动不连续处的流速计算精度。
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