本文提出了基于FPGA技术实现数字复接系统的设计方案，并介绍了基群与二次群之间的复接与分接的系统总体设计。
This paper puts forward a design method of digital multiplex system with FPGA, and introduces the whole system of multiplexing and demultiplexing between primary group and secondary group.
通过纤维素刚果红培养基初筛，滤纸失重实验复筛，35种微生物中有4株表现出较高的纤维素酶活力。
In advantage of cellulose-congo red medium and weight losing test of the filter paper, 4 out of the above-mentioned 35 strains showed higher enzyme activities.
结果：获得了所设计的附着体支架及赝复体金属基托的实物模型，平均固位力达47N。
Result:The model of the framework and obturator metal based were obtained. The mean retentive force was 47N.
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