本文介绍了一种新型的随机程序载荷谱，以用于拖拉机零部件在随机载荷作用下的室内模拟试验与寿命预测。
A new type of random program constant amplitude load spectrum is introduced, which is used in laboratory simulation test and life prediction of tractor components under random loading.
利用底盘测功机可以在室内模拟摩托车道路行驶载荷条件，定性和定量地进行摩托车整车性能的台架试验。
The simulation of road load conditions for motorcycles and bench test (quantitative and qualitative) of motorcycle performance can be conducted in doors by means of a dynamometer.
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