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The progress levels of symptoms after pathogen infection showed that interaction of gray leaf spot pathogen and host has differentiation or polymorphism. The progress levels of symptoms is different.The aggressively has polymorphism. The pathogenicity of different isolates in same cultivar has polymorphism, or the host reaction type of same isolate in different cultivars has polymorphism.The host reaction type has differentiation. There are seven types of host reaction in cultivar and inbred after infected by GLS pathogen:Rectangular lesion without chlorotic halo, Rectangular lesion with chlorotic halo,Irregular lesion without chlorotic halo,Irregular lesion with chlorotic halo, Spot lesion with chlorotic halo,Rectangular and irregular lesionand Rectangular and spot lesion. The host reaction type is coalesced lesion when disease severely. Frequency of each reaction types is different.

通过对玉米灰斑病菌侵染后的显症过程的系统观察，可在组织水平上说明该病菌与寄主互作反应存在分化或多样性：玉米灰斑病菌不同菌株侵染后显症过程表现出明显的差异；玉米灰斑病菌在侵袭力上存在多样性，菌株间对同一种品种的致病性表现多样化，或者同一菌株对不同品种侵染引起的寄主反应表现为多样性；病斑反应型的分化，玉米灰斑病菌侵染玉米品种或自交系后，主要有7种病斑反应类型，即RH型、RN型、IRH型(不规则形具褪绿晕圈病斑)、IRN型(不规则形无褪绿晕圈病斑)、SH型、RI型(长矩形与不规则形混合病斑)和RS型(长矩形与斑点形混合病斑)，若发病严重，病斑连成片，而且这些反应类型出现的频率也不同。

M-6601 Quick Detailer– This cleaner wax is the workhorse in the Meguiar's Cleaner/Wax category. Available in 1-gallon jugs, this is Meguiar's most aggressive cleaner wax and perfectly suited for use with rotary buffers on severely neglected, oxidized, scratched and swirled surfaces. This wax offers incredible cleaning strength, without using harsh abrasives. The rich polishing oils leave behind a lustrous finish while Meguiar's state-of-the-art synthetic polymer waxes leave behind a long lasting durable protective finish. Perfect for Used Car dealers and wholesalers looking for a fast and effective one-step product. M-66 like M-06 is very versatile, and can be used by hand, dual-action polisher, orbital buffer, and the rotary buffer.

M-6601快速保养液–这瓶清洁蜡是美克拉清洁蜡系列中的主力產品，目前市面上可买到的是每瓶一加仑的包装，这是美克拉最强效的清洁蜡，他非常适合与打蜡机搭配使用以清除漆面上严重的受损、氧化、抓痕和太阳纹，这瓶蜡提供了非常强的清洁能力且不含粗糙的研磨成分，丰富的抛光油使烤漆富含光泽，而美克拉合成聚合物蜡品则提供烤漆长耐久的防护，这產品对于二手车业者或正在寻找一种速效的单步產品的批发商是最完美的，M-66就像M-06一样是多方面适用的，可以使用手、震抛机、打蜡机和旋抛机来施用。

In order to verify the efficiency of DONtest-HPLC in breeding wheat with low DON, and to reveal the variation of DON content in wheat,8 cultivars with different resisance to fusarium head blight were used for analysis when fusarium head blight epidemic severely occurred in the middle and lower stretches of Yangtze River in 2003. The results indicated that DONtest-HPLC was a kind of quick and accurate method in detection of DON content with a recovery rate 78.2%in average.

以2003年长江中下游地区赤霉病大流行后收获的8个不同抗、感赤霉病小麦为材料，探讨DONtest-HPLC在低毒素小麦选育中的利用价值，并揭示不同抗性小麦脱氧雪腐镰刀菌烯醇含量的差异特点。

The results showed that 9 pathogen collections of Sporisorium reilianum were divided into 3 pathogenic types in which there were type A with high pathogenicity, type B with moderate pathogenicity and C with weak pathogenicity. Type A were originated in most important corn-grown areas including Changchun ,Jilin,Gongzuling and Changling where corn head smut usually occurs severely, type B were collected from Siping,Tonghua ,Songyuan,Yanbian, and type C were collected from Baicheng where corn head smut usually occurs very lightly.

致病类型A为强致病类型，来源于吉林、长春、公主岭和长岭，是玉米丝黑穗病发生最严重的地区；致病类型C为弱致病类型，分布于白城地区；致病类型B其致病性介于A、C类之间，主要分布于四平、通化、松原和延边地区。

Soon after aspiration, all patients became severely hypoxemic with PaO2/FiO2 between 100 and 170, and they were all placed on mechanical ventilation.

在吸引术后，所有患者都有严重的血氧不足，PaO2/FiO2在100-170之间，他们都被置於机械呼吸器。

At ICU admission, all patients were severely hypoxemic (mean ratio of partial pressure of oxygen in arterial blood [PaO2] to fraction of inspired oxygen [FIO2] of 147 ± 128 mm Hg).

ICU住院期间，所有病患都有严重低血氧(动脉氧分压[PaO2]与吸入氧气分率[FIO2]之平均比率为147 ± 128 mm Hg)。

Ice will not only influence shipping, transportation, hydraulic power, water and sewage, but also lead to ice flood and cause huge losses when ice blocks the river course severely.

河流中的冰凌不仅直接影响到冬季的航运、交通、引水发电、给排水等水利工程建设事业，而且当冰凌严重阻塞河道时，往往会导致凌洪泛滥成灾，给人民生命财产带来重大损失。

Her mother-in-law commented severely on the ill- breeding of one who ate privately, and said they should tell her parents that she had been badly brought up.

她的岳母言辞激烈的说说隐藏事实的人真有病，并说他们要告诉新娘的父母她女儿教养。

One clinical trial compared a higher amount of the St. John's wort extract LI 160 (1,800 mg per day) with a higher amount of imipramine (150 mg per day) in more severely depressed people. 99 Again, the improvement was virtually the same for both groups with far fewer side effects for the St. John's wort group.

一个临床试验比较了圣约翰草提取物李160（1800毫克，每天有一个较高的数额米帕明更严重抑郁的人（每天150毫克））更高的金额。99同样，改善几乎是相同的要少得多的贯叶连翘组两组副作用。

The competition among financial industry has been more severely after China entered into WTO, especially in the life insurance industry, facing foreign insurance companies competitions, the perfecting of insurance agency market system and the impactions, such as the financial products to the family financing method .

随着中国加入WTO，金融行业竞争日趋激烈，特别是保险行业面临着外资保险公司的进入、保险中介市场的不断完善、金融衍生产品对于家庭理财方式等冲击。为了在竞争中获得持续的成长，员工培训，员工绩效的增长成为各家保险公司保持其核心竞争力的关键。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。