点击切换搜索课件文库搜索结果(87)
文档格式:PPS 文档大小:244.5KB 文档页数:21
一、Word发展概述:Word是微软公司开发的文字处理软件,1983年首先推 Wor000出PC版本,1990年推出3.0版本,后又逐渐推出其改进版Word5.0、Word95、 ord97直到目前广泛使用的Word200,成为最受欢迎的文字处理软件之一
文档格式:PPT 文档大小:650.5KB 文档页数:13
我国地域辽阔,跨寒温带、温带、亚热 带及热带( tropica),地形复杂,气候差异 很大,树种资源丰富,约7,500余种。其中, 可作木材(wood)使用者约1,000种,但常 见的乔木( arbor formed tree)树种约有300 种 木材树种的分类,是沿用树木(tree分类的方法。树木是植物界的一个重要组成部分,它的分类又是按照植物分类的统一方 法进行的
文档格式:PPT 文档大小:495.5KB 文档页数:35
一、报道内容侧重于:应用科学、工程技术领域 二、该数据库每年新增500,000条工程类文献, 三、数据来自5100种工程类期刊,会议论文和技术报告。 四、其中2600种有文摘。 五、90%的文献是英文文献
文档格式:PDF 文档大小:2.01MB 文档页数:42
大约在2500035,000年前,人类 知道了不依靠天然火而自行取火
文档格式:PPT 文档大小:314.5KB 文档页数:91
Capital Budgeting: the process of planning for purchases of long-term assets. example Our firm must decide whether to purchase a new plastic molding machine for $127,000 How do we decide? Will the machine be profitable? Will our firm earn a high rate of return on the investment?
文档格式:DOC 文档大小:45KB 文档页数:5
I.Introduction 1. Introductory Remarks Are there any sounds we cannot hear? Yes But does it mean there is something wrong with our hearing? As a matter of fact, most of us can only hear the sound vibrations that occur within the range of 20 times per second to 20 000 times per second. Those below
文档格式:PPT 文档大小:1.79MB 文档页数:41
Epidemiology 6th leading cause of death in U.S. Number one Among the infectious diseases 6 million patients annually in US Incidence 5~10/1,000/year Mortality in OPD patients 1-5 % but Inpatients 25%, ICU 50-60%
文档格式:DOC 文档大小:47.5KB 文档页数:6
Ⅱ. Listening skills Identifying Numbers M: The stadium looks pretty big. How many people does it seat w: It holds around 20,000. They say more than 18,000 Tickets have been sold Q lany tickets are left 2. w: I was planning on signing up for the swimming class. Bit I heard it's full M: Really? Thats strange. There were nine swimming classes last semester, and this semester
文档格式:PDF 文档大小:2.32MB 文档页数:26
High power diode laser ROFIN DI Series ROFIN DL X75 750 w ROFIN DL 010 000 W ROFIN DL 015 500 W ROFIN DL 020 2000 w ROFIN DL 025 2500 W ROFIN DL 030 3000 w ROFINI SINAR
文档格式:DOC 文档大小:163.5KB 文档页数:4
中国科学院 二000年研究生入学试卷 《细胞生物学》B卷 一、名词解释(每题2分,共20分) 1.胞质溶胶(cytosol) 2.缩时显微电影技术(time lapse microcinematography) 3.内膜系统(internal membrane system) 4.核纤层(nuclear lamina) 5.微粒体(microsome) 6.管家基因(house keeping gene)
首页上页23456789下页末页
热门关键字
搜索一下,找到相关课件或文库资源 87 个  
©2008-现在 cucdc.com 高等教育资讯网 版权所有