1信息 是物质形态及其运动形式的体现信息的特性: (1)客观性。 (2)传递性。 (3)时效性。 (4)转换性。 (5)共享性

(一)常见的前缀 3.表示时间,序列关系的前缀 1、ante-,anti-,表示“先前,早于,预先” antecedent, anticipate, 2、ex-,表示“先,故,旧” expresident, exhusband

Fundamentals of Mechanical Design 1.The Meaning of Design 2. Mechanical Engineering Design 3.The Phases of Design

(1)收割机械 (2)回转式切割器 (3)往复式切割器

You only live once. But if you work it right, once is enough. 你只活一次,如果活得好,一次就够了

(二)常见的后缀 1.名词后缀

2.形容词后缀 一、带有“属性,倾向,相关”的含义 1.-able, -ible, movable, comfortable, applicable, visible, responsible 2.-al, natural, additional, educational 3.-an, ane, urban, suburban, republican 4.-ant, -ent, distant, important, excellent

3.动词后缀 1-ize,ise,表示\做成,变成,化 \modernize, mechanize, democratize, organize 2-en,表示\使成为,引起,使有” quicken, weaken, soften, harden 3-fy,表示\.,使成” beautify purify intensify, signify, simplify

科技论文的写作要点 总体原则(3C): Correct(正确) Clear(清楚) Concise(简练)

Phrase and idiom One is never too old to learn. 活到老,学到老 Where there is life, there is hope. 留得青山在,不怕没柴烧