您要查找的是不是：
- Nonexposure of susceptible plant populations to their pathogens is fairly common. 感病的植物群体不暴露在它们的病原之下，这是相当普遍的。
- The photosynthetic characters of rice were different in different plant populations. 不同群体下，水稻的光合特性发生明显变化。
- There is no doubt they will continue to exist since viruses can grow and mutate so quickly, infecting human, animal, and plant populations with frightening speed. 毫无疑问的是，因为病毒能迅速成长及突变，所以它们会继续存在并以惊人的速度使人类和动植物遭到感染。
- Spatial patterns of main woody plant populations are aggregative, Ulmus macrocarpa, Acer mono, Ulmus pumila populations in some communities are random. 主要木本植物种群的分布格局大多为集群型，只有部分群落中大果榆、色木槭及家榆种群为随机分布。
- Higher plant populations not only give higher yields at very low input costs, but utilize applied fertilizers more efficiently, thereby further increasing the VCR. 高密度种植不仅在投入成本很低的情况下获得高产，而且使施肥肥效更高，因而进一步提高产投比。
- All of the plant population in this habitat decreased. 此栖地的所有植物族群减少了。
- The niche characteristics of the rare and endangered plant populations were analyzed in Baiguo Forestry Farm of Wuxi County, taking community quadrates as one-dimension comprehensive resource states. 在以群落样方为一维综合资源位的基础上,分析了巫溪县白果林场珍稀濒危植物种群的生态位特征。
- Besides this,among the second generation's plant populations of the antherderived plants from B.napes, only a few of them appeared uniform in field experiments. 对花药培养诱导形成的植株的第二代群体的观察表明少数植株的后代群体表现整齐一致。
- The plant was growing at an angle. 植物呈一定角度生长。
- Plant population effect on growth factors and yield of plantain in an Andisol from Quindio, Colombia (1993). 表1 哥伦比亚Quindio 火山灰土上种植密度对大蕉生长因素及产量的影响(1993) Table 1.
- The vital threshold is crossed when the plant population shrinks to the point that the recycled rainfall becomes too meager to sustain the population. 当植物的群落萎缩到了极点，以致循环降雨过少，难以维系群落的生存时，维持生命的门槛就被跨越了。
- High plant population increases production cycle length and reduces bunch weight, but these factors are compensated by far, by the higher number of bunches per unit area. 密植加长生产周期并降低蕉串的重量，但这些可以通过获得较高的单位面积蕉串数量而完全得到补偿。
- The main protected objects of Dashahe nature reserve are rare with endangered animal and plant population of Cathaya argyrophylla and Prebytis francoisi. 贵州道真大沙河自然保护区是以银杉、黑叶猴等珍稀濒危动植物物种种群及其自然生境为主要保护对象的野生生物类自然保护区。
- Regrowth of different plant populations in mixed pasture 混播草地不同种群再生性的研究
- The plant converts crude oil into gasoline. 这家工厂将原油加工成汽油。
- Now ordinary repairs can be handled in our plant. 现在一般的修理工作都可在我们厂进行了。
- Plant need water the way they need sun light. 植物需要水就像它们需要阳光一样。
- The soldiers blew up the enemy power plant. 士兵们炸毁了敌人的发电厂。
- The gardener tore up the plant, root and all. 园丁把园中的花草树木连根全挖了出来。
