The dynamical optimization design of mechanical system exited by nonstationary stochastic loads is very important for the mechanical system to have a fine performance during working.
非平稳随机激励的机械系统动态优化设计对于使承受随机激励荷载的系统具备优良的性能有着特殊的意义。
Fine aggregate play a very important role in water stability for asphalt mixtures, using limestone instead of granite fine aggregate, can improve asphalt mixture performance against water damage.
细集料对于沥青混合料水稳定性起到非常重要的作用，采用石灰岩细集料代替花岗岩细集料，沥青混合料抗水损害性能提高。
Fine aggregate play a very important role in water stability for asphalt mixtures, using limestone instead of granite fine aggregate, can improve asphalt mixture performance against water damage.
细集料对于沥青混合料水稳定性起到非常重要的作用，采用石灰岩细集料代替花岗岩细集料，沥青混合料抗水损害性能提高。
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