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[期刊论文] 作者：AIf Prytz,,
来源：含能材料 年份：2012
In October 1987 an international symposium on propellants, explosives and pyrotechnics was arranged in Beijing at the Beijing Institute of Technology. I partici...
[期刊论文] 作者：Heshuang DI,Shanshan JIANG,Aif,
来源：农业生物技术：英文版 年份：2015
In this study,five 2- 4 years old healthy female poodles were selected and mated after spontaneous estrus for pregnancy diagnosis with external observation,huma...
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