each year about 200 new cases of hiv infection are diagnosed.

three main virus features have interfered with control of infection by the immune system and vaccination.

病毒入侵及控制免疫系统有三个特点.

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that stress can create conditions more inviting to viruses.

而压力会给病毒入侵创造良好的条件.

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as incentive schemes are withdrawn, sales of cars and electronics, which zoomed last year, could stall.

刺激措施取消后, 去年迅猛增长的轿车与电器可能会停滞不前.

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clear understanding of principles control system drawing.

熟练掌握设备原理图及有关图纸.

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content: contains the original program code and schematics protel 99 format.

内容: 包含原程序代码和protel99格式的原理图.

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euro disney's stock experienced a 17p surge in the euro zone.

欧洲迪斯尼的股票在欧元区猛涨了17便士。

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millions of articles have been written on the topic of the euro's introduction.

关于欧元引入这一主题的文章已有数百万篇。

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countless articles have documented the adoption of the euro.

关于采用欧元的文章数不胜数。

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financial institutions and state authorities are set to initiate euro-based transaction documentation.

金融机构和国家机关将启动以欧元为基础的交易记录。

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he came to this country at nine unable to speak any english and eventually became valedictorian of his class and governor of boys state.

当他9岁来到美国时连一句英语都不会说，最后却成为班上的毕业生代表和军训营营长。

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all class parents and teachers please start to plan the programs for our new year's party.

请各班老师及家长代表开始筹划新年晚会的节目。

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you are supposed to get decorations for the class.

你应该为班上找有代表性的饰品。

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david murdoch is meeting with the family that owns the controlling stake in dow jones.

新闻集团默多克正在与控股道琼斯的班氏家族代表会面。

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however, through the interview to student representatives after the experimental teaching, the subjects from ec expressed that they had obtained great interest in english reading class. they thought their reading ability had been improved to great extent after the sixteen-week learning in reading class.

但在教学实验后对两个班学生代表的访谈中，实验组的学生认为采用图式理论的教学在很大程度上激发了他们的英语阅读兴趣，提高了他们的阅读能力。

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luckily, i had also become one of the representatives of our class.

很幸运，我也成为了我们班的代表之一。

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each class represented an identical cross-section of the community.

每个班都代表着整个社会的一个完全相当的横截面。

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as one of representatives of north american translation workshop, pound is not in favor of literal translation.

作为北美翻译培训班代表之一，庞德并不赞同直译。

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industry sources estimated current north american pvc operating rates at around 75 percent.

业内人士估计目前北美聚氯乙烯开工率约为百分之七十五.

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that would come in large part a predicted 14 % drop in overall capacity.

开工率的上升主要是原因总产能预计将下降14%.

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some of their plants are working a t 80 to 85 per cent of capacity.

他们有些厂开工率为80%到85%.

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