在整套工艺环节中，光掩模版图设计和湿法腐蚀是两个关键步骤。
The mask design and the wet etching are both key processes in the technology introduced.
其中的两个关键步骤是，要了解消极的想法的来源，和训练自己以尽量减少其影响。
There are two key steps to understanding where your own negative thoughts come from and training yourself to minimize their impact.
本文分析了从大麦成熟胚培养快速建立胚性悬浮细胞系的两个关键步骤。
The present paper analysed two key procedures for rapid establishment of embryogenic cell suspension cultures derived from barley mature embryo.
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