应用人工培养基上的培养物以不超避10代为宜。
It is suitable for using the cultures on the artificial medium within 10 generations.
给出超磁致伸缩换能器驱动磁场均匀性概念后，论述了超磁致伸缩换能器驱动磁场宜用电磁感应强度表示。
The concept of magnetic field uniformity is introduced. And the magnetic field intensity of super-magnetostrictive transducer can be used to denote relevant magnetic induction strength is discussed.
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