After new regulations were brought in last year, planning permission must now be sought for the conversion to an impermeable surface of any area around your house bigger than five square metres.
自去年发布新规定之后，房屋四周改建任何五平米以上的非透水地面都要申请设计许可。
It is found that the electric displacement intensity factors for the permeable crack surface conditions are much smaller than the results for the impermeable crack surface conditions.
与不可导通电边界条件相比，导通裂纹表面的电位移强度因子比不可导通裂纹的电位移强度因子要小许多。
The distance from the impermeable base to the free surface is a function of space and time.
由隔水底板至自由面的距离是空间和时间的函数。
The distance from the impermeable base to the free surface is a function of space and time.
由隔水底板至自由面的距离是空间和时间的函数。
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