象鼻虫

Gossypol, which is produced by gland cells in the leaves of cotton , is an attractant to the boll weevil

棉叶腺胞分泌的棉酚对棉铃象鼻虫是一种引诱剂。

Be cautious about the use of benzene hexachloride as an insecticide as a dust or spray against pea and bean weevil because it is very

六六六作为杀虫剂喷洒于豌豆，青豆类，毒杀象鼻虫，要慎用，因为它极易致癌。

Farm demonstration work in the South helped to fight the cotton boll weevil.

南部农场示范工作大大帮助了对棉花象鼻虫的防治。

In order to fight the two pests that usually attack cotton in the region, the boll weevil and the cotton leafworm, natural insecticides and biological combat were used.

为了对付棉籽象鼻虫和棉叶蠕虫这两种棉花作物的主要天敌，种植者借助了他们的昆虫天敌和生物手段来解决这一问题。

It's called the boll weevil because it destroys the cotton boll , the seed pod that contains the cotton.

之所以会被称为棉子象鼻虫，是因为这种昆虫会毁坏棉花球，以及含有棉花的种子荚。

The boll weevil, for example, lays its egg inside the cotton cocoon, which leads the cocoon to fall.

例如棉籽象鼻虫，喜欢把卵产在棉茧里，从而导致棉茧脱落。

In 1904 the boll weevil , a small insect that destroys thecotton plant by laying its eggs within it , crossed from Mexicointo Texas . By 1910 it had spread to Alabama .

1904年，一种在棉株上产卵而破坏棉株的微小的昆虫——棉花象鼻虫从墨西哥传进德克萨斯州，到了1910年它已经扩展到亚拉巴马。

Well, that's exactly what the people of Enterprise, Alabama, did on December 11, 1919, when they built a monument to the boll weevil, a tiny insect pest that devastated their cotton fields and forced farmers to pursue mixed farming and manufacturing.

嗯，阿拉巴马州企业市的居民在1919年12月11日，就帮棉子象鼻虫立了一个纪念碑。这种小型昆虫会破坏棉花田，而迫使农人必须要种植其他多种植物，与制造多种农产品。

Any of numerous beetle s,of the superfamily Curculionoidea,especially the snout beetle ,that characteristically have a downward - curving snout and are destructive to nuts,fruits,stems,and roots.

象鼻虫象甲总科的各种甲虫，尤指象鼻虫，其特征为有一个向下弯曲的鼻子，对坚果、水果、茎梗和根有破坏作用

Any of several families of mostly small beetles that feed on plants and plant products; esp. snout weevils and seed weevils.

大多数小甲虫中吃植物和植物果实的几种甲虫科；特别是猪嘴象鼻虫和种子象鼻虫。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。