进行随机效果模型统合回归分析以评估试验间异质性的来源。
Random-effects model meta-regression analyses were performed to assess sources of intertrial heterogeneity.
本实用新型的发动机海拔环境仓，可实现在试验间模拟海拔环境对发动机进行台架试验。
The engine altitude environment storehouse can simulate the altitude environment to test the stand of the engine.
因纳入的试验间的差异性，大多数的结果无法进行定量的分析，故我们运用随机效果模式。
Quantitative analysis was not possible for most outcomes, but where used we preferred random-effects models due to the variability between the included studies.
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