- 第三角投影法
- 第三角限投影
- 第三象限投影
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third angle projection中文什么意思
例句與用法
- Third angle projection
第三角投影法 - Engineering drawing has always been labeled as a practical subject . a combination of geometrical , building . mechanical and electrical drawing , it relates between theory and the picture of reality . engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes . usually , it is taught using the face - to - face teaching mode even in an odl environment . due to its nature , some students may find difficulty in imagining and interpreting the drawings . however , the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online . a web - based system for teaching and learning engineering drawing was developed based on a constructivism model . the web - based system is tailored for several topics of engineering drawing such as orthographic projection , sectional view , isometric and oblique drawing at the secondary level . the learning strategy consists of multiple phases beginning with introduction , concept learning , engineering drawing method , application and exercises . during introduction , students will be exposed to an overview of the topic followed by learning of specific concepts . the system provides a learning environment that allows engineering students to view objects from different angles , such as third angle projection and first angle projection as well as views of plans , side and front elevations . after learning about the concepts , students wilt be guided through the various steps in drawing methods for each topic via animations and simulations . learners are able to view any section repeatedly . examples of real application of engineering drawings were also given using graphic , animations and video . to evaluate students understanding , exercises were given at the end of each session
工程制圖一直被認(rèn)為是一門實(shí)踐性學(xué)科,其整合了幾何學(xué)、建筑、力學(xué)、電子制圖等,從而將理論與現(xiàn)實(shí)圖像聯(lián)系起來,工程制圖能為每個(gè)不同形狀、尺寸的物體提供精確的、完整的圖像.通常,即使在開放與遠(yuǎn)程教育環(huán)境中,工程制圖的教學(xué)也是通過面對面的教學(xué)模式來進(jìn)行的.由于其特殊性,一些學(xué)習(xí)者可能難以想象并解釋這些圖像.然而,尖端的技術(shù)使得可以通過在線的方式加強(qiáng)工程制圖的學(xué)習(xí).研究者基于建構(gòu)主義模式開發(fā)了一個(gè)面向工程制圖教學(xué)和學(xué)習(xí)的網(wǎng)絡(luò)系統(tǒng).該系統(tǒng)適用于幾種工程制圖,例如展開圖、刻面圖、等角圖和斜角圖.學(xué)習(xí)過程包括導(dǎo)論、概念學(xué)習(xí)、工程制圖方法,以及應(yīng)用與練習(xí)等階段.在導(dǎo)論階段,系統(tǒng)為學(xué)習(xí)者提供了專題簡介,然后是概念學(xué)習(xí)階段.系統(tǒng)所提供的學(xué)習(xí)環(huán)境允許工程專業(yè)的學(xué)生從三維透視、一維透視、平面圖、側(cè)立面、正立面等不同角度來觀察物體.經(jīng)過概念學(xué)習(xí)階段后,系統(tǒng)將引導(dǎo)學(xué)生通過動畫和模擬學(xué)習(xí)每個(gè)專題中制圖方法的不同步驟,學(xué)習(xí)者也能重復(fù)觀察任何剖面.另外,還通過圖像、動畫和視頻等方式展示真實(shí)的工程制圖應(yīng)用案例.最后,為了評價(jià)學(xué)生的理解能力,在每部分內(nèi)容后面都附有相關(guān)的練習(xí)