... the prior art defense 现有技术抗辩 Compared With Prior Art 相比现有技术 in the prior art 在现有技术下 ...
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Compared with the prior art 本实用新型同现有的技术相比
Compared with prior art, this invention improves the catalyst activity obviously.
与现有方法相比，由本发明方法提供的催化剂的活性明显提高。
Compared with prior art, the invention reduces the time of rough tuning as well as provides higher tuning precision according to the needs.
本发明与传统结构相比，既缩小了粗调谐所需时间，又可以根据需要获得较高的 调谐精度。
Compared with prior art, the process is simple, and the obtained SiC sintered compact has high density, no residue of free silicon and high strength and toughness.
本发明同现有技术相比，工艺简单，所得碳化硅烧结坯致密度高，无游离硅残留，强度与韧度较高。
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