水生杂草
- 与 水生杂草 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Since fanwort has a different ecological niche than other aquatic weeds such as alligator alternanthera and common water hyacinth, which could imply "joint" impact on native species diversity, further biological and ecological investigations of fanwort are urgently needed.
由于水盾草为罕见的外来沉水杂草，可与其他水生杂草对本地的生物多样性产生"联合"影响，因而迫切需要对其进行深入的研究。
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Although the upper reaches of a freestone stream may be spring-fed, the vast majority of its flow comes from run-off or tributaries.
尽管这种河段可是是spring-fed，最主要的径流来自run-off和支流，快速流动的河水限制了杂草和其他植被的生长，而形成了这种＂free stone＂河底，这种河段的水生昆虫不如spring creek那样多，所以鳟鱼比较少，但是不不乏机会主义者。
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A strong,nonpersistent,yellow,crystalline herbicide,C12H12Br2N2, used to control water weeds.
杀草快一种强力非持久性、黄色、晶状除草剂C12H12Br2N2，用于控制水生杂草
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One of the most serious problems is the appearance of water weed s.
其中最为严重的问题是水生杂草。
- 推荐网络例句
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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.
采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。
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By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.
通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。
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Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.
有一个良好的政策环境，房地产，二级和三级市场的发展更加迅速改善。