bef

基本解釋

Depending upon certain conditions there may ornot may bef ree elect rons in semi- conductors.
半導(dǎo)體是否存在著自由電子，這取決于某些條件。
The serum from anemic rats treated with naked plasmid expressing human EPO showed obvious neutralizing activity to inhibit the proliferation of BEF-2 cells.
在大鼠模型中，表達(dá)人EPO基因裸質(zhì)粒組的血清有明顯的中和活性，可抑制BEF-2細(xì)胞的增殖。
On collecting datum of Bovine Epizootic Fever(BEF) from 1957 to 1992, a long periods of gray model was established for forecasting BEF by using gray theories.
本文根據(jù)1957～1992年有關(guān)牛流行熱的發(fā)病資料，應(yīng)用灰色系統(tǒng)理論對其長期預(yù)測方法進行了初步探討。

British Expeditionary Force, the British armies that served in France and Belgium 191418 and in France 193940 1914-181939-40