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瓢虫

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Results indicated that aphids fed on fresh bamboos by aggregately distributing, and their predators in bamboo forests were separately collected in different parts, main of which were in accord with negative binomial distribution and Polya-Eggenberger distribution, it was proved that some natural enemies in some sample sites were spraying extensively from single plot to around places, the population density of bamboo aphids was proved to be stable in a regular time.

在竹林中主要符合负二项式分布和 P-E 核心分布,为不均匀的聚集分布,存在由点片向四周扩散的现象,频次分析和聚集度指标的分析结果基本一致,其中瓢虫的聚集程度不及另外2种天敌的明显。

Uses: A selective aphicide used in cereals, fruit, ornamentals, strawberries, potatoes, sugar beet, fodder beet, cotton, oilseed rape, tobacco, and glasshouse crops, effective against organophosphorus-resistant Myzus persicae . Phytotoxicity: Compatibility

抗蚜威对瓢虫、食蚜蝇、蚜茧蜂等蚜虫天敌没有不良影响,因保护了天敌,而可有效地延长对蚜虫的控制期,抗蚜威对蜜蜂安全,用于防治大白菜、萝卜等蔬菜制种田的蚜虫时,可提高蜜蜂授粉率,增加产量。

Now people in common use 瓢 insect to prevent and cure aphid of doing ill the farm crop.

现在人们常用瓢虫来防治为害农作物的蚜虫。

These have a suit of baby outfit and have a cute little hair band, a baby fresh food feeder, a cute nail scissors for baby and a very important book!!!!!

有一套夏天的衣服还有发带喔,一个小朋友可以吃水果的袋子,剪小朋友指甲的瓢虫指甲刀。。。。跟一本最重要的书!!!

Beatle, you look so happy.....good evening..........

瓢虫,你看起来很开心。。。。晚上好!

Based on the demonstration activities in Deng Kou county of Inner Mongolia, the comparison of impacts of conventional agriculture and organic farm on biodiversity is analyzed. The results shows that the development of organic farm can improve the biodiversity protection,such as, the increasing of beneficial insects and birds.

本文通过在试验区对常规农业和有机农业分别对生物多样性的影响进行了分析比较,结果表明发展有机农业,能够促进生物多样性保护,如有益昆虫的数量增加,其中七星瓢虫最为明显,蚜虫的虫口密度降低,益鸟等生物的数量有所增加。

One woman was stunned as, ironically, the ladybirds seemed to be attracted to her canary yellow VW Beetle.

一名妇女被震惊的,讽刺的是,瓢虫似乎是吸引她的淡黄色大众甲壳虫。

And the ladybirds sit three or four deep on walls, tree trunks and machinery, and look like a 'crawling, wriggling carpet' on the grass.

瓢虫坐下三个或四个深墙壁,树干和机械,以及看起来像一个'爬,蠕动地毯'在草地上。

And in Chard in Somerset around 10 million ladybirds have descended on farmland and set up home.

和盛捷查德在1000万瓢虫已经下降的农田和建立家庭。

Rich green chenille, lifted with ladybug friends, and red gingham ensures a lively effect.

丰富的绿色chenille ,解除与瓢虫的朋友,和红色的gingham确保一个生动的效果。

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The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。