蚜虫

He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics.

他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应。

This is the safest place for an aphid- it can wait here until help arrives.

这是蚜虫最安全的地方，它可以在这里等待救兵的援助。

Scientists at Rothamsted Research have been monitoring the flying form of all aphid species for 42 years.

科学家在洛桑的研究一直在监测的飞行形式的所有蚜虫物种42岁。

Making method and skill of glass specimen of aphid were introduced.

介绍了蚜虫玻片标本的制作方法与技巧。

Researches on aphid and epidemic of CTV are of great importance to the control of Citrus Tristeza disease.

开展蚜虫与柑桔衰退病流行关系的研究，对CTV的防治具有极为重要的作用。

In some aphid species, sexual females can be considered as the nieces of males and they mature later.

某些物种的蚜虫中，雌性个体成熟较晚，可以认为是雄性个体的"侄女"。

This year, the first aphid was caught on 25 April, which is almost four weeks ahead of the 42-year average.

今年，第一次被抓获蚜虫4月25日，几乎是四个星期前的42年来的平均水平。

The reproduction rate of the aphid is influenced by nutrition.

蚜虫的繁殖率受到营养的影响。

Clusters of tiny insects called aphid e s were to be found on the underside of the leaves.

到了夏天，我发现树叶开始枯萎，结果在树叶背面找到成串的叫作蚜虫小虫子。

At the group level, perhaps we will learn to work together, like ants tending an aphid farm.

在群体层面上，或许我们应该如同蚂蚁照顾他们的蚜虫一样，学会共同协作。

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。

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。