求翻译：第一个困难是我要合成的材料合成不出来。我通过自己查阅相关文献分析可能的原因，跟导师以及实验室的其他成员讨论，先后3次调整合成方案，才最终合成了所需要的材料。是什么意思？

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The first difficulty is that I want to synthetic materials synthetic would not come. Through my own access to the relevant literature analyzes of possible reasons, as well as laboratory instructors with the other members of the Council discussed, successively three adjustments, synthetic programs be

The first difficulty is the material which I must synthesize cannot synthesize.I consult the correlation literature analysis possible reason through oneself, discusses with teacher as well as the laboratory other members, successively 3 adjustment synthesis plan, only then finally synthesized the ma

The first difficulty was I to make of the material out. I through their own access to documents related to analysis of possible causes, with instructors and other members of the lab discussion 3 times to adjust synthesis scheme, before eventually needed materials synthesis.

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