由于费用等原因造成能够投入试验的样品少，基于这种小子样数据开展视情维修研究的关键在于确定状态描述模型。
The condition model based on small sample is studied to overcome the lack of samples in experiments, which appears as the difficulty of experiments.
然而，冬奥会提醒我们，仍然存在着只需投入一点想法丁点运气及少量试验便能够提高效率的方法。
Yet the Winter Olympics should remind us that it is still possible to improve output with a little thought, luck and experimentation.
他们将很快把那种新型汽车投入安全性能试验。
They will soon put the new type of car through safety trial.
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