This paper will analyze the personality characteristics and mental health of drug addicts with Eysenck Personality Questionnaire, and explore the psychological factors of the drug. 本文采用艾森克問(wèn)卷對吸毒人員的人格特點(diǎn)和心理健康狀況進(jìn)行分析研究，探究吸毒行為產(chǎn)生的直接心理誘因。
So rhizobia was the main induced factors of transfer cells, and the lacking of iron was only the secondary factors during the development of root nodule. 電鏡觀(guān)察結果表明，在根瘤形成過(guò)程中，根瘤菌是刺槐根外層傳遞細胞的主要誘因，而缺鐵僅是次要因子。
