f区造句

例句与造句

1. Construction of trapezoidal channel as a part of temporary drain at zone f
2. The ionosphere f region is one of the most important region in the ionosphere . the night - time irregularities in this region can affect nearly all - frequency radio waves propagation through them
3. The study results support the treatment of reducing lunathyrium ningshenense to the synonymy of d . coreanum . they reveal that dryoathyrium erecta should be athyriopsis erecta ( similar to the outcome of molecular tree )
4. Ionospheric scintillation can be observated frequently in low - latitude of china , so it is very important to know the physical mechanism of night - time f region plasma instability and irregularities in it
5. 用f区造句挺难的，这是一个万能造句的方法