描述不足 meaning in English

underspecification

Conclusions few reviews or metaanalysis reports reached the international standard and there is insufficient description of methodology for conducting systematic reviews , so it is hardly to be repeated . the authors suggested that advanced methodological training is necessary for reviewers
结论能够达到国际标准的高质量中医药系统综述meta分析很少，其方法学描述不足，难以得到重复，研究者尚需要严格的方法学培训。