您要查找的是不是：
- 人造扩展F层artificial spread F
- 扩展F-展开法extended F-expansion method
- 因而,磁扰时经常出现n_e(E层)>n_e(F层)的情况。So,usually,ne(E-layer)> ne(F-layer) during magnetic disturbed period.
- 扩展Fspread-F
- 扩展F回波spread F echoes
- F层的有62 种,占35.43%;62 species occur in F layer, accounting for 35.43%25.
- 太阳高年期间海南电离层扩展F出现的起始时间研究Research of Starting Time of Ionospheric Spread-F Observed in Hainan during High Solar Activity
- 本文从等离子体二流体方程组出发,导出适于描述晚间赤道F层现象的DFA模型。The DFA (Drift-plute-Alfvenic),model equations describing the nonlinear phenomena of the equatorial F-layer at night are derived from plasma,two-fluid equations.
- 此产品不含任何人造防腐剂。This product contains no artificial preservatives.
- 图层layer
- 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。We have performed numerical simulations of nonlinear evolution of plasma interchange instability in equatorial spread F (ESF) under different conditions.
- 数值计算结果表明,当磁流管在极隙区停留的时间足够长,F层电子密度能显著增大。The result of simulation draw a conclusion that when the plasma flux tube stayed long enough in cusp region the electron density of ionospheric F layer would remarkably increase,while when the plasma flux tube stayed short in cusp region the electron density of ionospheric F layer would not remarkably increase.
- 艾奇逊人造石墨Acheson graphite
- 板层ply
- 他已把自己的势力范围扩展到金融界。He has extended his sphere of influence to the world of banking.
- 山上覆盖着一层薄雾。There was a veil of mist over the mountains.
- 他们商议扩展业务的最好方法。They conferred on the best way to expand business.
- 车辙里结了一层薄冰。A skim of ice formed in the ruts.
- 更高高度上模拟结果和实验结果的偏差是由于模拟过程中没有考虑F层异常吸收的作用The distinct difference between the numerical results and the experimental one at higher altitudes is due to anomalous heat-ing of the F layer ionosphere.
- 这个高尔夫球场的地界扩展到河边。This golf course expands to the riverside.
