The Keys to PCs

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The Keys to PCs

机译：电脑钥匙

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摘要

The key to building a personal computer for the Chinese masses may be in the keyboard. The problem is simple: With roughly 5,000 characters in its "simplified" written form (from 13,000 total), the Chinese language can't fit on a reasonable-size keyboard.

机译：为中国人民建造个人计算机的钥匙可能在键盘上。问题很简单：“简化”的书面形式中大约有5,000个字符（总共13,000个字符），因此中文无法在合理大小的键盘上显示。

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《Popular Science》 |1996年第8期|p.28|共1页
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类自然科学总论;工业技术;
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入库时间 2022-08-18 01:03:57

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机译：研究了高温暴露后各种混凝土高温曝光机械性能各种混凝土的机械性能。考虑到高层建筑中垂直元件的抗压强度要求，测试了35,80,100和150MPa各种设计强度的混凝土试样。特别是，在这项研究中，掺入钢纤维对耐火性的影响。实验结果表明，耐火性取决于设计强度和钢纤维含量。在暴露于100-400°C的温度时，80-100MPa的设计强度为35MPa或高性能混凝土（HPC）的正常强度混凝土（NSC）不会击落。然而，当HPC含有1体积的钢纤维的百分比时，爆炸性剥落发生在300℃。超高性能混凝土（UHPC）的设计强度为150 MPa和1.5 Vol。钢纤维的百分比也显示出300℃的剧烈剥落。本研究中发现的实验结果可以有助于更好地了解在火灾中的HPC和UHPC的行为以及钢纤维对耐火性的作用。

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