spread-F

常见例句

We have performed numerical simulations of nonlinear evolution of plasma interchange instability in equatorial spread F (ESF) under different conditions.
利用数值模拟，研究了不同条件下赤道电离层等离子体交换不稳定性的演变和扩展F不均匀体的形态。
Moral taint has spread among young people.
道德的败坏在年轻人之间蔓延。
He spread the map flat out on the floor.
他把地图平铺在地上。
A hopeless future seemed to spread out before her.
展现在她面前的似乎是毫无希望的前途。
He has spread a slice of bread with Jam.
他把面包片抹上了果酱。
That word is spelt with a PH, not an F.
那个字里的f音拼作PH而不是F。