“time and frequency dissemination”的概念、定义、翻译、参考文献-科学参考

单词	time and frequency dissemination
释义	time and frequency dissemination Astronomy time and frequency dissemination缩写：TFD。时频发播
随便看	primitive amplitudes primitive architecture Primitive Art primitive arts and crafts of China primitive attribute primitive axes primitive back-strap loom primitive basis function primitive body cavity primitive cardiovascular system primitive celadon pot primitive cell primitive character primitive class primitive cohomology primitive cohomology class primitive commune primitive commune in Russia primitive commune institution Primitive Commune Ownership primitive commune system primitive complex symplectic manifold primitive concept primitive connective primitive cosmic ray

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