closed sea

The equation of continuity is then used to further get a 2-order elliptical equation satisfied by sea surface elevation, and the unpenetrable condition at the shore wall of semi-closed sea area is also derived by means of tidal level.

然后利用连续性方程进一步得到了海面升高即潮位所满足的二阶椭圆型方程，进而导出了以潮位形式给出的半封闭海区岸壁不可穿透条件。

Formulation of Tidal Wave Motion Problem in A Semi-closed Sea Area

半封闭海区潮波运动问题的构建

A number of sea freight forwarding clients, customers closed, they abandoned goods. And the accumulation of a large number of goods leaded to legal disputes, some freight forwarding companies have no businesses to do.

不少海运货代客户倒闭，客户弃货，甚至大量的弃货堆积并产生法律纠纷，运费收不回来，导致部分货代企业没有业务可做。

The resistivity of sea influences the distribution of ground potential, so the ground potential closed to sea will drop to zero.

海洋对大地电位的分布有影响，靠近海洋层的地表电位受到海洋的影响将下降至接近零电位。

The East China Sea is a Semi-closed sea surrounding by China, Japan and Korea.

东海是由中日韩三国围绕的半封闭性海域。