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- 人造擴展F層artificial spread F
- 擴展F-展開(kāi)法extended F-expansion method
- 因而,磁擾時(shí)經(jīng)常出現n_e(E層)>n_e(F層)的情況。So,usually,ne(E-layer)> ne(F-layer) during magnetic disturbed period.
- 擴展Fspread-F
- 擴展F回波spread F echoes
- F層的有62 種,占35.43%;62 species occur in F layer, accounting for 35.43%25.
- 太陽(yáng)高年期間海南電離層擴展F出現的起始時(shí)間研究Research of Starting Time of Ionospheric Spread-F Observed in Hainan during High Solar Activity
- 本文從等離子體二流體方程組出發(fā),導出適于描述晚間赤道F層現象的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.
- 此產(chǎn)品不含任何人造防腐劑。This product contains no artificial preservatives.
- 圖層layer
- 利用數值模擬，研究了不同條件下赤道電離層等離子體交換不穩定性的演變和擴展F不均勻體的形態(tài)。We have performed numerical simulations of nonlinear evolution of plasma interchange instability in equatorial spread F (ESF) under different conditions.
- 數值計算結果表明,當磁流管在極隙區停留的時(shí)間足夠長(cháng),F層電子密度能顯著(zhù)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.
- 艾奇遜人造石墨Acheson graphite
- 板層ply
- 他已把自己的勢力范圍擴展到金融界。He has extended his sphere of influence to the world of banking.
- 山上覆蓋著(zhù)一層薄霧。There was a veil of mist over the mountains.
- 他們商議擴展業(yè)務(wù)的最好方法。They conferred on the best way to expand business.
- 車(chē)轍里結了一層薄冰。A skim of ice formed in the ruts.
- 更高高度上模擬結果和實(shí)驗結果的偏差是由于模擬過(guò)程中沒(méi)有考慮F層異常吸收的作用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.
- 這個(gè)高爾夫球場(chǎng)的地界擴展到河邊。This golf course expands to the riverside.
