Sonic loading is a high frequency, broadband random process. Basic cycle counting methods, which are prevalently used in time domain, are difficult to be applied.
噪声载荷是一种高频、宽带随机载荷，在低循环疲劳寿命预测中被广泛采用的时域计数法很难直接利用。
General principle and basic as well as concrete policies all have their own the boundary of time space, cycle of time space and efficiency of time space.
总政策、基本政策和具体政策都具有自己的时空边界、时空周期和时空效力。
General principle and basic as well as concrete policies all have their own the boundary of time space, cycle of time space and efficiency of time space.
总政策、基本政策和具体政策都具有自己的时空边界、时空周期和时空效力。
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