By further simplification, the unified expression of natural frequencies for FGM parallelogrammic plates with various boundary conditions wa…
在简化情况下，给出了各种边界条件平行四边形功能梯度板各阶固有频率解的统一表达式。
Further simplification of the general ledger is brought about by the use of subsidiary ledger.
使用明细分类帐使总分类帐更加简化明了。
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