第一

In chapter 2, we prove that sn—first countable spaces are preserved by the finite subsequence-covering mappings.By this result, we prove that the finite subsequence-covering, quotient mappings preserve g—metrizable spaces, also prove that the finite subsequence-covering, closed mappings preserve sn—metrizable spaces, g-metrizable spaces, metrizable spaces, point-countable bases.

在第二章中，我们主要证明了有限子序列覆盖映射保持sn-第一可数空间，作为它的应用，又证明了有限子序列覆盖、商映射保持g-第一可数空间，也证明了有限子序列覆盖闭映射保持sn-度量空间，g-度量空间，度量空间，点可数基。

This thesis analyzed the basic geological characteristics, petrology, mineral deposit geology, litho geochemistry, and deposit geochemistry of the copper deposit, acquired the following results:(1) According to the metamorphic grade and the metamorphic types of the rocks, suggesting that the mixed granite, granitic migmatite, plagioclase gneiss and hornblende gneiss of the first lithologic member and the second lithologic member in the first sub-formation of Aerbishimaibulake Formation in upper silurian-lower Devonian series belong to Xingxingxia group in proterozoic.

本文对该矿床基础地质特征和岩石学、矿床学、岩石地球化学以及矿床地球化学等方面进行研究，取得了以下熟悉：(1)根据岩石变质程度和变质类型，初步提出矿区上志留-下泥盆统阿尔彼什麦布拉克组第一亚组的第一岩性段和第二岩性段的混合花岗岩、花岗质混合岩以及斜长片麻岩、角闪片麻岩应回为元古界星星峡群。

It was the first Milanese Ricky, the one of the 'I belong to Jesus' t-shirt, where he had a great debut season. April 22, 2004, it was a Thursday, the club sent him a cak.

这是卡卡在米兰的第一个赛季，一个伟大的处子赛季，第一次展示"我属于耶稣"的T恤。2004年4月22日，周二，俱乐部为他送上了蛋糕。

This is my first visit to China, and the first impressions are of the mind-blowing scale of the change and modernisation taking place.

这是我第一次到中国访问，第一印象便是这里惊人的现代化步伐。

1St Week: A general introduction to the nature and contents of the course; an investigation of students' acquired knowledge of literature in general; a brief introduction to African-American literature 2nd and 3rd Weeks: Rediscovering an Invisible Culture (Why Black culture had been unknown and unobserved for several decades; how it came to be rediscovered ) 4th to 6th Weeks: Double Consciousness (the marginal perspective in Language, Oral Culture, Folklore and Religion); Reading representative works by three Black writers of racial consciousness: Douglass, Washington and Bu Bois 7th to 9th Weeks: Minstrelsy (Imitation, Parody and Travesty in Black-White interaction rituals 1830--1920); Reading the novel about the Black life: Uncle Tom's Cabin 10th to 12th Weeks: Social Mobility and Cultural Stigma: The case of Chicago Jazz 1920--1930; Reading poems by Hughes and novels by Wright 13th to 15th Weeks: Oral Tradition and the Quest for Literacy: The crisis of Black writers from Philips Wheatley to Ralph Ellison; Reading the masterpiece of Ellison 16th to 18th Weeks: Contemporary Afro-American Culture: the sixties and seventies (efforts on reconstructing the Black identiy and Black history); Reading novels by Morrison

第1周：介绍课程性质、内容，了解学生相关文学背景，简要概括黑人文学历史第2-3周：再现黑人文化（黑人文化长期被掩盖的事实和原因，重新被发现的原因和过程）第4-6周：双重意识（语言、吟唱文学、民俗民谣、宗教的边缘化），阅读黑人种族意识三代伟大启蒙家道格拉斯、华盛顿、杜波伊斯的代表作第7-9周：吟游文学（黑人与白人的文化互动过程中的模仿、戏仿、曲仿），阅读第一部反映黑人生活的小说《汤姆叔叔的小屋》第10-12周：社会动荡与文化耻辱（芝加哥爵士乐的兴起、流行和影响），阅读休斯和赖特的代表作第13-15周：口头文学传统与争取教育权利的斗争（从惠特利到埃里森的黑人作家危机），阅读拉尔夫·埃里森的代表作第16-18周：六、七十年代以来的美国黑人文化（重建身份和重建历史的努力），阅读莫里森的代表作每位参加该课程学习的学生均须严格出勤，按时完成学读任务，每学期主持两次小型（10分钟）学术报告，第一次针对老师推荐的作家作品做一个专题报告，第二次针对自己的学期研究计划做一个选题前瞻性和可行性报告。

The company's mission:"Quality First, Service First" is our company's purposes.

公司的使命："质量第一，服务第一"是我们公司的宗旨。

The first class was formed in Sydney in 1812, and the first missionary in the country was S.

第一类是成立于悉尼在1812 ，和第一次传教，在该国的美国的速度增长。

Now, some of them, embittered by past mistreatment, are determined

文中第一段第一句讲他们是从西伯利亚来的，故为真。

Doosan Daewoo machine tools in Europe, Canada, Britain, Italy and other countries the market share for the first and major exporter in the machine occupies a certain number of the Japanese market, as the world's largest machine tool consumer in China has sold more than 3000 machine tool equipment sets, the highest in China's imports of CNC lathe and machining center machine tool first, in which ground Mita Corporation Tianjin, Zhejiang leap Group have more than 100 the number of Units procurement Doosan machine tool equipment company, Zhejiang Wanxiang Group more are already accumulated more than 300 more than purchasing Units.

斗山大宇机床在欧洲的加拿大、英国、意大利等国家的市场占有率为第一位，并在机床出口大国的日本占有一定数量的市场，在作为世界最大的机床消费国的中国已售出超过3000余台套机床设备，位居中国进口数控车床及加工中心机床第一位，其中的天津勤美达公司、浙江飞跃集团等都超过100台的数量采购斗山公司机床设备，浙江万向集团更是已累计采购超过300余台。

This is the first pair of fingerless mittens that I made, and my first exposure to noro yarn.

这是我第一次作的手套，也是我第一次用这个毛线。

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。