透水边界的英文：
permeable boundary

permeable是什么意思：
a. 有浸透性的,能透过的
  • This membrane is semi-permeable.
    这层膜是半渗透性的。
  • The waste material is placed in cells with permeable membranes
    废液置于有渗透膜的槽中。
  • The major difference is that geological structures have limited permeability.
    主要的问题是地质结构的渗透性有限。
  • The permeability of a soil is important for calculations of underground flow
    土的渗透性对于地下液流的计算很为重要。
  • Histamine causes vasoconstriction and increased permeability of small venules.
    组织胺能引起血管收缩，并增强小静脉的透性。
boundary是什么意思：
n. 边界；范围；分界线
  • Boundary is used with administrative areas smaller than a state or country boundary
    用于指行政区域,范围比国家小
  • An exact artificial boundary condition is obtained on a spherical boundary by a constructive method.
    同样，采用构造法在球面上获得了精确的无反射人工边界条件。
  • There are no indecisive boundaries between the two opinions.
    这两种意见界线分明。
  • The boundaries are clearly marked off on the map.
    界线清清楚楚地在地图上标了出来。
  • Boundaries of the polygon may extend to infinity.
    多角形的边界可以延伸到无穷远处。

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