develop vt. 1.使發(fā)達,使發(fā)展;使發(fā)生;使進化。 2.開發(fā),開展,擴大。 3.【攝影】使顯影。 4.【軍、數(shù)】展開。 5.使顯出,產(chǎn)生,研制,發(fā)現(xiàn)(新事實)。 6.〔美國〕揭露,暴露。 develop industry and agriculture simultaneously 工業(yè)與農(nóng)業(yè)同時并舉。 develop a mine 開礦。 a motor that develops 100 horse-power 一百匹馬力的發(fā)動機。 vi. 1.發(fā)育;發(fā)生,進化。 2.發(fā)展,發(fā)達 (from);發(fā)達成 (into) 。 3.(劇情等)展開;(局面)進展;(像)顯現(xiàn)出來。 4.〔美國〕(新事實等)發(fā)現(xiàn),出現(xiàn)。 a developing country 發(fā)展中的國家。
But as metamaterials show , chemistry is not the only path to developing materials with an interesting electromagnetic response 不過,超材料的存在也表示,要發(fā)展具有特定電磁反應(yīng)的材料,化學(xué)并非唯一途徑。
High polymers material is a new developing material in 20 centuries , three big kind of basic materials of high polymers are plastics , rubbers and fibers 高分子聚合物(高聚物)材料是20世紀發(fā)展起來一大類新材料,高聚物的三大基本材料是塑料、橡膠和纖維。
Soon after the war , newly developed materials such as styrofoam , polyester resin and fiberglass cloth found their way into surfboard construction . enterprising veterans such as dale velzy and malibu joe quigg began to craft boards that were radical departures from the old pre - war planks 獨具商業(yè)頭腦的制板專家們?nèi)绱鳡柧S爾基dale velzy和馬利布malibu喬克維格joe quigg開始制作與戰(zhàn)前的沖浪板截然不同的新型板。
Pulse electric current heat treatment ( pecht ) developed by sodick , ltd . , of japan , is a recently developed material processing method which consists of spark plasma sintering and welding , plasma activated sintering and welding , big pulse electric current ( bpec ) diffusion welding etc . the following are basic merits of pecht : rapid heating and cooling ; short sintering or welding time ; lowering sintering or welding temperature 脈沖電流熱加工( pulseelectriccurrentheattreatment ,比如燒結(jié),焊接等)是九十年代發(fā)展起來的一種材料快速制備新技術(shù),它包括放電等離子燒結(jié)與焊接、等離子活化燒結(jié)與焊接、脈沖大電流擴散焊接等。它具有升溫、降溫速度快、能在較低的溫度下燒結(jié)或焊接以及時間短的特點。
According to the present condition of the packaging cad , the paper analyzes necessity and possibility of developing material module of 3d packaging cad , provides the viable method on theory , sums up experiential model and puts forward concrete method . first , the paper analyzes how to establish the 3d model for material function studying by using computer graphics technology and reasonable date - construction 本文從目前包裝cad的現(xiàn)狀出發(fā),分析了開發(fā)三維包裝cad系統(tǒng)材質(zhì)功能模塊的必要性和可行性,為三維包裝cad系統(tǒng)材質(zhì)功能模塊的開發(fā)從理論上提供了可行的方法和總結(jié)出經(jīng)驗?zāi)P?,并且編程實現(xiàn)了這些模型,進而為開發(fā)商用三維包裝cad系統(tǒng)軟件中的材質(zhì)功能提供了基礎(chǔ)。