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First, it has summarized the two features of BT flow for designing the identification engine later by analyzing and studying the network traffic of a representative P2P system—BitTorrent in the aspects of the flag bit of transport layer, the size of packet, TCP hand-shaking time and the distribution of packet size.

首先本文针对具有典型代表意义的P2P系统—BitTorrent的网络流量进行了传输层标志位、数据流分组尺寸、TCP握手时间和数据流头部分组分布四个方面的分析和研究，总结出了BT流量的两个特征，用于后面识别引擎的设计。

Were done and no positive reaction was found.5. The DNA of the young leaves of 132 Bt transgenic plants was extracted to do PCR Five positive inversion plants were obtained and the inversion rate was 3.8%.6. The DNA of fire positive inversion plants obtained in Dl generation was extracted and tested. Two stable positive inversion plants were obtained in D2 generations.7 The way of flourescent mirror flat was used to observe the pollen tube extension circumstance in the flower post after self-pollination.

检测了132株，没有发现阳性反应。5、对转入Bt基因的132株植株的幼叶提DNA，作PCR检测。D1代获得5株阳性转化植株，分别是90035的4株，85—593的1株，转化率为3.8％。6、将D1代获得5株阳性转化植株的种子在温箱中发芽，提取DNA检测，得到D2代稳定遗传的阳性转化植株2株。7、应用荧光镜制片法观察大豆自花授粉后花粉管在花柱中延伸情况。

It has been shown that applying bio-pesticides such as Bt by means of pathogen-containing aerosolcreated by a pulsating fogger is feasible,which provide a new convenient way for implementing bio-control in forest on a large scale.

结果表明，脉冲式烟雾载药技术用于Bt生物农药的施放是可行的，这为今后在大面积森林实施生物防治提供一条简便的新途径。

With the Chinese Academy of Agricultural Science Institute of tea, tea geometrid screening of the high toxicity of Bt strains and tea geometrid virus, developed a pollution-free tea for biological pesticides,"geometrid-ching," 2003 was approved by the Ministry of Agriculture pesticide registration test, completed 1 Effect of the four provinces in the tea geometrid control effect of more than 90 percent, in Jiangsu, Zhejiang show the 6 million mu.

与中国农科院茶叶研究所合作，筛选了茶尺蠖高毒力 Bt菌株和茶尺蠖病毒，研制开发了无公害茶叶专用生物农药"尺蠖清"，2003年获得农业部农药登记试验批准，完成了1年4省药效试验，对茶尺蠖防效达90%以上，在江苏、浙江示范推广6万亩次。

They as a whole reached high amphibolite facies to granulite facies with characteristic equilibrium assemblage of peak stage Sil+Grt+Bt±Crd+Kfs+Pl+Qtz.

荆山群变质岩系经历了三幕变形、六幕变质重结晶作用，峰期形成Sil+Grt+Bt±Crd+Kfs+Pl+Qtz特征平衡组合，变质程度达高角闪岩相-麻粒岩相。

Widely developing biology prevention and cure, using the gypsy moth NPV control the larva of gypsy moth, it's effect can reach above 70%, and it can easily form epidemic, then it will have the effect of long period's controlling; using Bt control the gypsy moth, it's effect can reach above 80%; using the gypsy moth Grplure can also gain certain effect; firstly using self-produced plant insecticide control the gypsy moth, it's controlling effect of origin liquid can reach 82.3%, and has widely using foreground.

广泛开展生物防治，利用舞毒蛾NPV防治舞毒蛾幼虫，防治效果达70％以上，且易形成流行病，可起到长期控制的作用；利用Bt防治舞毒蛾效果在80％以上；利用舞毒蛾性引诱剂也能收到一定的效果；首次应用自制的植物性杀虫剂防治舞毒蛾，应用原液防治效果达82.3％，有广阔的应用前景。

Our bedroom is one super BT and the midnight unexpectedly learn hee-haw .

我们寝室一超级BT，半夜竟然学驴叫。

In Hong Kong, as a result of BT not allowed to download, download video of this network is considered high-bandwidth can be brought about by acts of the most obvious benefit, almost no market in Hong Kong.

在香港，由于BT下载不被允许，网络下载视频这个被认为是高带宽能带来的最明显的获益行为，在香港几乎没有市场。

BT is a memeber of Homeopathy International, which conducts research to ensure the safety and effectiveness of Homeopathic medicines.

BT是国际顺势组织的成员，该组织管理和调查以确保顺势产品的安全有效。

Coli and Tn cells were mixed with Bt and fed to the larvae of second instar of the silkworm B.

结果表明，2种表达产物对Bt杀虫剂均有明显的增效作用。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。