对于那些极客书呆子们，这个日子还有着另外一层特别意义—它完全是由1和0组成，好像计算机的二进制语言。
For those of a geeky bent, the date has another layer of importance - it is made up entirely of ones and zeros, the binary language of computing.
首次把完全匹配层(PML)边界条件应用到adi FDTD计算中，采用幂指数形式的时间步进算法，推导了相应的迭代公式。
The perfect matched layer (PML) technique is used in ADI-FDTD calculation for the first time. The expressions for the exponential time-stepping algorithm in PML are derived.
既可反算路面结构层的模量，又能反算其厚度。 通过与实际值比较，其计算精度完全满足工程实际的要求。
More important thing is that the method can back calculate both modulus and thickness of flexible pavement structure layers simultaneously.
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