二分项资料与连续资料均使用随机效果模式来计算总结效果大小，且说异质性也被评估。

Summary effect sizes for dichotomous and continuous outcomes were calculated using a random effects model and heterogeneity was assessed.

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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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利用催化剂线源扩散模式确定人工增雨作业后的目标区，并采用非随机活动对比区和目标区分层历史回归的方法估算作业效果。

The regression analysis method of non stochastic process and movable control over the target area was used to assess seeding effect. The target area was determinated by diffusion equation.

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