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They can manipulate relationships among plants, herbivores and their natural enemies, and it was very important for Herbivor-induced plant volatiles to manipulate insect behavior.

它们能调节植物、植食性昆虫和天敌之间的关系,对昆虫的行为调控有非常重要的作用,近年来已引起人们的广泛关注。

The technology used cultureing the wax scale was recorded in detail in a book published in the 13th century, but the production of insect wax can be dated back much further to the 3rd century A.D.

在清朝及民国时期中国西南仍有大规模养殖,成为一种生产昆虫化工产品的&昆虫工厂&。

A total of 16 leaf-eating patterns were identified,varying in frequency.

由于昆虫口器和取食行为的差异,不同类型的昆虫取食后会在叶片上留下不同形态和大小的痕迹,即取食状。

Chile is the only major wine producing region that has remained free of "phylloxera" which are tiny, yellow, sap-sucking insects, related to aphids, that invaded almost every wine growing country in the late 1800s.

智利是唯一主要,还让&根瘤蚜&一种微小,黄色,靠吸吮汁液类似蚜虫的昆虫自由生长的葡萄酒生产地区,在1800年代末期这种昆虫几乎入侵每一个葡萄酒国。

Coli might be distributed in all the gene. The intact Hu-P68 cDNA ORF including 10bp upstreams of ATG were obtained by PCR deletion and reconstruction. The resulted fragment were cloned into transfer vector pBacPAK〓 at Bam HI site and lipofectioned into 〓 cells with Bsu 36I digested genomic DNA of insect baculovirus BacPAK 〓.

利用PCR技术删除人P68 cDNA翻译起始位点上游10bp以外的5'UTR,并引入BamHI位点,经酶切和测序验证后,将此改造的完整P68 cDNA基因编码区装入转移载体pBacPAK〓,用脂转染法将此重组质粒与酶切的昆虫杆状病毒BacPAK〓基因组DNA片段导入昆虫细胞〓中,经同源重组获得了再生病毒。

The piggyBac transposon has been used most widely as an effective gene-transfer vector,because of its mobility in the genomes of a wide range of insect species.

由于该转座子在多种昆虫的基因组上都具有高转座活性,因此piggyBac已经成为一种高效的转基因载体广泛用于昆虫的转基因研究和实践。

Using entomological radar, we showed that the ability to select seasonally favorable, high-altitude winds is widespread in large day- and night-flying migrants and that insects adopt optimal flight headings that partially correct for crosswind drift, thus maximizing distances traveled.

根据所搜集到的雷达对天空中迁徙飞行的昆虫进行扫描的数据,Jason Chapman 及其同僚显示,在高空飞行的蛾子和蝴蝶能够选择有利的风向并纠正其方向的偏移,这些策略可使昆虫所覆盖的地面最大化,并使它们的飞行时间得到最佳化。

Based on the investigation of dragonflies in Laoshan area of Nanjing City from 2005 to 2007, the primary results showed that there were 30 species, belonging to 21 genera, 6 families and 2 suborders , with 7 species recorded in Jiangsu Province for the first time.

我们于2005年~2007年对南京老山地区蜻蜓目昆虫进行了调查研究,通过对采集标本的鉴定和分类,初步确定南京老山地区蜻蜓目昆虫有2亚目6科21属30种,其中7种是江苏省新记录。

The last frame cents occurring on a large scale in 6 to 8 months, often gathered during the day just in Green Oak outflow sap,- December or in the tree also often found hundreds gathered together on the last frame cents, in the evening, there are lights in the mountains, also can often find their tracks, Taiwan is a large common starvation C Ji its larvae often called chickens insects, pupa to adult emergence period, a year generation.

独角仙大量发生於 6~8月,白天常常聚集在青刚栎流出树液处,或是在光腊树上也常可发现聚集上百只独角仙的盛况,到了晚上,在山区有路灯处,也往往可以发现他们的踪迹,是台湾常见的大型畟峞C其幼虫常称为鸡母虫,经蛹期羽化为成虫,一年一代,由於本种并非保育类昆虫,加以体型大而健壮,常被做为儿童玩赏及昆虫教学使用。

But Locke(1998), a Canadian entomologist, recently suggested that caterpillars have evolved "lungs" for hemocyte gas exchange. The "lungs " are located at trachea of the 8th pair of abdominal spiracles and tokus compartment at the tip of the abdomen. This is a new concept of insect physiology.

然而,近年来加拿大昆虫学家Locke(1998)提出鳞翅目幼虫中有一个适应血细胞进行气体交换的&肺&结构,它位于昆虫腹部第8节气门与臀腔中的气管处,这是昆虫生理学方面的一个新内容。

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推荐网络例句

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。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?