microfilms

简明释义

英[ˈmaɪkrəʊfɪlmz]美[ˈmaɪkroʊˌfɪlmz]

缩微卡片

英英释义

单词用法

同义词

反义词

例句

1.Microfilms might even take over from the libraries one day.

缩微胶卷甚至可能有朝一日取代图书馆。

2.At the bottom of the basket, lay three microfilms, each in a metal case.

篮子的最下面，放着三个缩微胶卷，每卷都用金属外壳装着。

3.Microfilms can be used in projection plate-making systems.

微摄菲林可以用于投影制版系统上。

4.It currently contains more than 13 million volumes, manu scripts, and microfilms.

目前，它包含超过13万册，手稿，以及缩微胶片。

5.Doctoral theses and dissertations are not available from University Microfilms International or a national repository or even the institution's own library, if it has one.

无法在国际或国内的论文库里查询到该校学生的博士学位论文，甚至在它自己的图书管里也查不到——如果它有图书馆的话。

6.Doctoral theses and dissertations are not available from University Microfilms International or a national repository or even the institution's own library, if it has one.

无法在国际或国内的论文库里查询到该校学生的博士学位论文，甚至在它自己的图书管里也查不到——如果它有图书馆的话。

7.The library has a large collection of microfilms that document historical events.

这个图书馆有大量的微缩胶卷，记录了历史事件。

8.Many public libraries still maintain microfilms of local newspapers from the past century.

许多公共图书馆仍然保存着过去一个世纪的当地报纸的微缩胶卷。

9.She spent hours reading old newspapers on microfilms to gather information for her thesis.

她花了几个小时阅读微缩胶卷上的旧报纸，为她的论文收集信息。

10.The university's history department offers a workshop on how to use microfilms effectively.

大学历史系提供一个关于如何有效使用微缩胶卷的研讨会。

11.Researchers often use microfilms to access archival materials that are not available in digital format.

研究人员经常使用微缩胶卷来访问不提供数字格式的档案材料。

作文

In today's digital age, where information is readily available at our fingertips, it is fascinating to explore the historical methods of information storage and retrieval. One such method that has endured over the years is the use of microfilms, which are small photographic films that contain reduced-size images of documents. Although they may seem outdated in comparison to modern technology, microfilms play a significant role in preserving history and providing access to archival materials.The concept of microfilms originated in the early 20th century when researchers and archivists sought efficient ways to store large volumes of documents without taking up excessive physical space. By photographing pages of books, newspapers, and other records, these images could be reduced to a fraction of their original size. This not only saved space but also made it easier to transport and store important documents. Libraries, universities, and government agencies adopted microfilms as a reliable means of archiving materials that were too fragile or valuable to handle frequently.One of the most significant advantages of microfilms is their long-term preservation capabilities. Unlike digital files that can become corrupted or obsolete due to changing technologies, microfilms have a lifespan of several decades, if not centuries, when stored properly. They are resistant to environmental factors such as humidity and temperature fluctuations, making them an ideal choice for preserving historical documents. Many institutions still maintain extensive microfilms collections, ensuring that future generations have access to vital historical information.Moreover, microfilms offer researchers a unique way to access primary sources. While digitization has made many documents available online, there are still countless records that remain only in microfilms. Researchers often visit libraries or archives to view these films, using specialized readers to enlarge and read the content. This hands-on approach allows scholars to engage directly with the material, fostering a deeper understanding of the context in which the documents were created.In addition to their academic value, microfilms have practical applications in various fields. For instance, legal professionals often rely on microfilms to access court records and other legal documents that may not be available in digital format. Similarly, genealogists use microfilms to trace family histories by examining census records, birth certificates, and other vital documents. The ability to access these records in their original form can provide invaluable insights into personal and collective histories.Despite the rise of digital technology, microfilms continue to hold relevance in today's information landscape. Many organizations are investing in digitizing their microfilms to make them more accessible while still recognizing the importance of maintaining the physical copies. This dual approach ensures that the wealth of knowledge contained in microfilms remains available for research and education.In conclusion, microfilms serve as a testament to the evolution of information preservation. They are more than just a relic of the past; they are a crucial part of our historical narrative. As we continue to embrace new technologies, it is essential to remember the value that microfilms bring to our understanding of history. By preserving and accessing these miniature records, we can keep alive the stories and events that have shaped our world.

在今天这个数字时代，信息触手可及，探索历史上的信息存储和检索方法令人着迷。微缩胶卷就是其中一种经过岁月洗礼的方法，它是一种小型的摄影胶卷，包含了文件的缩小图像。尽管与现代技术相比，它们似乎显得过时，但微缩胶卷在保护历史和提供档案材料的访问方面发挥着重要作用。微缩胶卷的概念起源于20世纪初，当时研究人员和档案管理员寻求有效的方法来存储大量文件，而不占用过多的物理空间。通过对书籍、报纸和其他记录的页面进行摄影，这些图像可以缩小到其原始大小的一小部分。这不仅节省了空间，还使得运输和存储重要文件变得更加容易。图书馆、大学和政府机构采用微缩胶卷作为归档材料的可靠手段，这些材料太脆弱或太有价值，不宜频繁处理。微缩胶卷的一个重大优势是它们的长期保存能力。与可能因技术变化而损坏或过时的数字文件不同，微缩胶卷在适当存储时可持续数十年甚至数百年。它们抵御湿度和温度波动等环境因素，使其成为保护历史文件的理想选择。许多机构仍然维护大量的微缩胶卷收藏，确保后代能够获取重要的历史信息。此外，微缩胶卷为研究人员提供了一种独特的访问原始资料的方式。虽然数字化使得许多文件可以在线获取，但仍有无数记录仅保存在微缩胶卷中。研究人员经常访问图书馆或档案馆查看这些胶卷，使用专门的阅读器放大和阅读内容。这种实践方法使学者能够直接与材料互动，从而加深对文档创作背景的理解。除了学术价值，微缩胶卷在各个领域还有实际应用。例如，法律专业人士经常依赖微缩胶卷来访问法院记录和其他可能没有数字格式的法律文件。同样，家谱学家使用微缩胶卷通过检查人口普查记录、出生证明和其他重要文件来追溯家族历史。以原始形式访问这些记录能够提供对个人和集体历史的宝贵洞察。尽管数字技术的崛起，微缩胶卷在今天的信息环境中仍然具有重要意义。许多组织正在投资将其微缩胶卷数字化，以便更容易访问，同时仍然认识到保持物理副本的重要性。这种双重方法确保了微缩胶卷中蕴含的丰富知识仍然可供研究和教育使用。总之，微缩胶卷见证了信息保存的演变。它们不仅是过去的遗物，更是我们历史叙事的重要组成部分。随着我们继续接受新技术，记住微缩胶卷对我们理解历史所带来的价值至关重要。通过保存和访问这些微型记录，我们可以传承塑造我们世界的故事和事件。