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As described above,two important lepidopteron pests,beet armyworm and cotton bollworm were surveyed and confirmed for existence of endogenous piggyBac elements. An intact piggyBac-like element was also obtained from the genome of cotton bollworm, and was thought to be potentially active.

综上所述，本究调查确定了鳞翅目两种重要农业害虫甜菜夜蛾和棉铃虫具有内源性piggyBac类似因子，并且从棉铃虫中获得了一个结构完整，具有潜在活性的piggyBac转座子。

In our study,two important lepidopteron pests,beet armyworm and cotton bollworm were surveyed for their endogenous piggyBac.As a result,endogenous piggyBac elements were found in these two insects,and one of the piggyBac elements isolated from the genome of cotton bollworm was intact and thought to be potentially active.1 Clonging and sequence analysis of piggyBac from beet armywormUsing PCR technique,with degenerate primers,a DNA fragment of piggyBac-like element was cloned from the genome of beet armyworm,spodoptera exigua hubner.The DNA fragment was 456bp in length,and the deduced amino acid sequence shares 50%- 78% similarity with other piggyBac elements from insects.But one stop code was found in this DNA fragment.

由于转座子很难用常规的RT-PCR和RACE技术进行克隆鉴定，故本研究在兼并引物PCR的基础上，利用inverse PCR和vectorret PCR技术，不仅调查了鳞翅目两种重要的农业害虫甜菜夜蛾和棉铃虫的內源piggyBac存在情况，同时克隆到了內源性的piggyBac转座子，并且从棉铃虫中获得了一个结构完整、具有潜在活性的piggyBac转座子HaPLE1.1甜菜夜蛾piggyBac转座子基因的克隆与序列分析采用PCR技术，利用兼并引物，从甜菜夜蛾基因组中克隆出一个內源性piggyBac类似因子的DNA片段，并命名为SePLE。

Extraction,purification and determination methods of glycyrrhizic acid in Licorice are surveyed in this paper.

中文摘要：综述了甘草中有效成分甘草酸的提取、纯化和测定方法的研究概况。

Once settled into our table, my companion and I surveyed the menu, which is classic casa'linga Italian cosine with a few Greek influences.

一坐下来，我的同伴和我便开始研究菜单，这是典型的意大利余家庭风格，带有些许希腊影响。

This thesis is based on the developing project of "Testing and research on the related technology of the aerodynamic effect in the high speed railway tunnel", which is from the national railway department and also based on the project of "The research on the micro-pressure wave and tunnel hood around the gate of the tunnel in YuHuai railway with the speed of 200km/h",which is from the second surveyed and design institute of China Railways. Research on the lucubration of tunnel aerodynamic effects mechanism and corresponding alleviation measure was carried out.

本文以铁道部科技研究开发计划项目《高速铁路隧道空气动力学相关技术的研究与试验测试》和铁道部第二勘测设计院《遂渝铁路时速200公里隧道洞口微压波及缓冲设施研究》为依托，结合我国国情，对隧道空气动力学效应的作用机制和其减缓措施进行研究。

Results A total of 1 740 persons were surveyed (1202 males and 538 females).

结果 共调查职业人群1 740人，其中男性1 202人，女性538人。

The popular slacker term of in difference was found "most annoying in conversation" by 47 percent of Americans surveyed in a Marist College poll.

一项由美国圣母学院开展的民调显示，47%的受访者认为这个带有漠不关心意味的流行词是"交谈中最令人讨厌的用语"。

The popular slacker term of indifference was found "most annoying in conversation" by 47 percent of Americans surveyed in a Marist College poll.

一项由美国圣母学院开展的民调显示，47%的受访者认为这个带有漠不关心意味的流行词是"交谈中最令人讨厌的用语"。

The popular slacker term of indifference was found "most annoying in conversation" by 47 percent of Americans surveyed in a Marist College poll

当了一上午旁听生，记者从这些英语教学权威口中，获得了大学生最关心的英语四、六级网考的最

The word "whatever" was found to be the "most annoying in conversation" by 47% of Americans surveyed in a poll by Marist Institute for Public Opinion, AP said.

据美联社报道，纽约马里斯特舆情调研所近日一项调查显示，"随便"一词以47%的得票率，位居最令美国人反感词语榜首位，紧随其后的是"你知道"(25%)和"事情就这样"(11%)。

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。