Students are asked to prepare material in advance of each weekly seminar.
要求学生为每星期一次的研讨班预先准备好材料。
Operates television equipment to record, edit, mix and prepare material for broadcast.
操作电视设备来录制、编辑、混合和准备广播用的材料。
Said invention uses the electroplating method to prepare the thin copper-clad invar sheet material.
本发明是利用电镀法制备薄覆铜因瓦片材。
Said invention uses the electroplating method to prepare the thin copper-clad invar sheet material.
本发明是利用电镀法制备薄覆铜因瓦片材。
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