“螺旋线慢波电路”的概念、定义、翻译、参考文献-科学参考

单词	螺旋线慢波电路
释义	螺旋线慢波电路 Encyclopedia 工学慢波电路释 helix slow wave circuit螺旋线慢波电路采用螺旋线结构降低高频场相速的慢波电路。
随便看	positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction positive deviation positive diffeomorphism positive diffeomorphisms positive differential positive direction positive displacement compressor positive displacement flowmeter positive displacement motor drill positive displacement pump positive displacement sensor

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