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天然无性系
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  “天然无性系”译为未确定词的双语例句
     A tracking investigation was conducted in the Songnen Plain of China on the experimental clones of Leymus chinensis under cultivation, and the natural clones of this grass in the succession process of vegetation restoration after meadow flooding.
     通过对栽培条件下实验无性系的跟踪调查和对羊草草甸水淹后恢复演替过程中天然无性系种群的随机取样调查,分析了不同生境条件下羊草无性系的生长规律.
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  相似匹配句对
     Natural Slate
     天然板石
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     Natural Seasoning
     天然调味料
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     Clonal Selection of Metasequoia glyptostroboides
     水杉的无性系选育
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     GROWTH PERFORMANCE COMPARISON OF EUCALYPT CLONES
     桉树无性系生长比较
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  natural clone
Three transgenic aspen lines were developed from a natural clone common to the Great Lakes region of North America.
      


A tracking investigation was conducted in the Songnen Plain of China on the experimental clones of Leymus chinensis under cultivation, and the natural clones of this grass in the succession process of vegetation restoration after meadow flooding. The results showed that on aeolian sandy soil where existed enough growth space but no interspecific competition, there was a month interval between the transplanting of two experimental clones, and the sizes of these clones had a one-fold difference by the end of next...

A tracking investigation was conducted in the Songnen Plain of China on the experimental clones of Leymus chinensis under cultivation, and the natural clones of this grass in the succession process of vegetation restoration after meadow flooding. The results showed that on aeolian sandy soil where existed enough growth space but no interspecific competition, there was a month interval between the transplanting of two experimental clones, and the sizes of these clones had a one-fold difference by the end of next growth season. During the whole growth season, the vegetative reproduction of the two experimental clones followed the same exponential pattern. After 6 years restoration succession on flooded meadow, the vegetative reproduction of clonal populations in L. chinensis + Carex duriuscula and L. chinensis + weed communities were all accorded with power function. On flooded alkaline meadow where existed interspecific competition, the natural clones could still increase their offspring numbers exponentially, and quickly expand their niche space at the same time.

通过对栽培条件下实验无性系的跟踪调查和对羊草草甸水淹后恢复演替过程中天然无性系种群的随机取样调查,分析了不同生境条件下羊草无性系的生长规律.结果表明,在松嫩平原具有充分生长空间而没有种间竞争的风沙土上,两个实验羊草无性系的移植时间相差1个月,翌年生长季末期无性系的大小相差近1倍,整个生长季营养繁殖数量的增长规律均为指数函数.在羊草草甸水淹后恢复演替6年中,在羊草+杂类草群落、羊草+寸草苔群落,羊草无性系种群营养繁殖数量的增长规律均为幂函数.在具有种间竞争的碱化草甸土上,羊草无性系在水淹后恢复演替过程中仍可以通过指数形式迅速地增加无性系的子代数量,同时也迅速地扩展着无性系的生态位空间.

 
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