A study is made on Cauchy problem of compressible Eulers equations with relaxation term.

研究具松弛项可压缩的欧拉方程组柯西问题。

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A relaxation term is added to the continuity equation to nudge the calculated sea levels to the sea levels predicted at gauging stations.

计算中，在连续方程中增加了一个松弛项，将模式结果向已有实测调和常数的控制点推算潮高值趋近。

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For freight managers, however, there is no comfort: some of these plans will make life harder, and nothing short-term (except relaxation of Austria's controls, already asked for, but not so far granted) can make it easier.

ECONOMIST: Transalpine tunnels