random velocity

AIM: To study the change of blood flow velocity and skin temperature of the random pattern flap during the process of healing under the regulation of nerve growth factor ( NGF).

目的：研究皮瓣愈合过程中在神经生长因子（Nerve growth factor，NGF）作用下皮瓣血流速度和皮温变化。

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Numerical simulations show that the spacecraft with the symplectic guidance algorithm can follow the reference orbit precisely under the deterministic velocity errors or the random velocity errors, and obtain the satisfying terminal control accuracy.

结果表明：无论确定性速度误差还是随机速度误差，实时制导保辛算法能够保证航天器很好地跟踪标称参考轨道并达到满意的终端控制精度。

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Role of nerve growth factor in the regulation of blood flow velocity and skin temperature of random pattern flap

神经生长因子调控随意皮瓣血流速度和皮温的作用

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analysis of s wave envelope broadening can be a powerful tool for quantitative study of random velocity inhomogeneity in the lithosphere.

S波包络展宽是定量研究岩石圈中随机速度非均匀性的有力工具。

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We established the stochastic model of threshold friction velocity, and derived an analytical expression of the threshold friction velocity with random variables ( the eccentricity, the eccentricity angle, support angle and contact angle).

建立了临界启动风速的随机模型，推导出含有随机变量（偏心距、偏心角、支持角以及接触角）的临界启动风速的解析表达式。

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