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- They show a heteromorphic alternation of generations, the gametophyte eging the dominant generation. 苔藓植物具有明显的世代交替现象，配子体在世代交替中占优势。
- Due to no alternation of generations,the medusoid phase being entirely suppressed. 由于没有世代交替，水母阶段遭到完全抑制。
- Hofmeister, Wilhelm friedrich benedict(1824-77) German botanist who first demonstrated the alternation of generations in lower plants. 霍夫美施塔：是德国植物学家，第一个发现低等植物中具有世代交替的现象。
- The gamete - producing phase in a plant characterized by alternation of generations. 配子体植物中以世代交替为特征的产生配子产生的阶段
- The gamete-producing phase in a plant characterized by alternation of generations. 配子体植物中以世代交替为特征的产生配子产生的阶段
- Gene drift in genetic resources during the alternation of generations is simulated by imitating the process of random sampling with the random number produced by computer. 用计算机产生的随机数来模仿随机抽样过程 ,对种质资源世代更替中基因漂变进行了模拟。
- We are conscious of the alternation of seasons. 我们意识到季节的交替。
- He was exalted to the position of general manager. 他被提升到总经理的职位。
- A similar effect produced by rapid alternation of two tones. 颤音通过急速地交替演奏两种音调而产生的类似效果
- He was appointed to the post of general manager. 他获任命为总经理。
- Observed a state of generalized discontent. 观察一个有普遍不满情绪的国家
- There is an alternation of black and white stripes in that cloth. 那匹布黑白条纹相间。
- The President's speech was full of generalities. 总统的讲话通篇空洞无物。
- That is a matter of general anxiety. 那是一个大家忧虑的问题。
- They have bought a house of generous dimensions. 他们买了一所宽敞的房屋。
- These modifications include the chemical alternation of the bases. 这种修饰作用包括碱基的化学变化。
- homologous alternation of generations 同源世代交替
- antithetic alternation of generations 异源世代交替
- You have the alternative of marrying or remaining a bachelor. 你可以结婚也可以仍做单身汉，任你选择。
- heteromorphic alternation of generations 异型[细胞]射线
