音標(biāo)發(fā)音英式音標(biāo) [sp?n]美式音標(biāo) [sp?n]國(guó)際音標(biāo) [/sp?n/]英式發(fā)音 美式發(fā)音 基本解釋n.時(shí)期；跨度；間距vt.延續(xù)；橫跨；貫穿；遍及；彌補(bǔ)動(dòng)詞spin的過(guò)去式形式.詞源解說(shuō) 直接源自古英語(yǔ)的span，意為一個(gè)張開(kāi)的手，大拇指與小拇指間的距離；最初源自中古荷蘭語(yǔ)的spannen，意為加入，系緊。詞根記憶wingspan(n.翼展)同根派生n性質(zhì)的同根詞spanner：扳手；螺絲扳手；測(cè)量器；用手掌量的人。span相關(guān)詞英漢例句用作名詞 (n.)The bridge has a span of 100 meters.這座橋跨度為100米。span更多例句詞組短語(yǔ)用作名詞 (n.)動(dòng)詞+～have a span of 有…長(zhǎng)〔寬〕lengthen 〔shorten〕 the span 延長(zhǎng)〔縮短〕時(shí)間widen the span of knowledge 擴(kuò)大知識(shí)面形容詞+～brief 〔short〕 span 短暫的時(shí)間whole span 全長(zhǎng)名詞+～attention span 注意廣度；注意力的持續(xù)時(shí)間life span 壽命；使用期限span更多詞組英英字典劍橋英英字典(TIME) the period of time that sometimes exists or happens(LENGTH) the length of something from one end to the other(SPIN) past simple of spin(TIME) to exist or continue for a particular length of time(BRIDGE) If a bridge spans a river, it goes from one side to the other. →? spick and span柯林斯英英字典 A span is the period of time between two dates or events during which something exists, functions, or happens. Your concentration span or your attention span is the length of time you are able to concentrate on something or be interested in it. If something spans a long period of time, it lasts throughout that period of time or relates to that whole period of time. If something spans a range of things, all those things are included in it. The span of something that extends or is spread out sideways is the total width of it from one end to the other. a team of horses or oxen, esp two matched animals A bridge or other structure that spans something such as a river or a valley stretches right across it. span劍橋字典span柯林斯字典專(zhuān)業(yè)釋義交通運(yùn)輸工程跨距To speed, span and the stiffness of flag point by the effect of flow simulation, raised layout of the special guidance.對(duì)速度、跨距、懸掛點(diǎn)剛度對(duì)受流效果的影響進(jìn)行模擬計(jì)算,并對(duì)接觸網(wǎng)平面布置的特殊情況進(jìn)行指導(dǎo)。跨繩土木建筑工程跨度The steel roof structure of a gymnasium is a kind of large span string-dome structure system.某體育館鋼屋蓋為大跨度弦支穹頂結(jié)構(gòu)。跨距經(jīng)濟(jì)學(xué)跨越 At present, gradually-advance and span-progress are 2 major eco-tourism development models in Lin’an.4）目前臨安市生態(tài)旅游發(fā)展中主要存在以白沙村與上坪村為代表的兩種發(fā)展模式，跨越式和漸進(jìn)式。數(shù)值范圍；極差計(jì)算機(jī)科學(xué)技術(shù)跨度After certain transformation, a linear program method can be obtained to solve the Span.對(duì)新的規(guī)荊做適當(dāng)變換，就可以使用線(xiàn)性規(guī)劃方法來(lái)求解跨度。跨距This paper proposes a new rendering method span scanline tracing algorithm which is used to render the polygon scenes. This method can simulate specular lighting and transmitted lighting effect,and can be easing to be implemented.本文提出了一種新的具有高度真實(shí)感圖形繪制方法——跨距掃描線(xiàn)跟蹤方法，它適合繪制由多面體構(gòu)成的場(chǎng)景，能模擬環(huán)境的反射和透射，并且算法簡(jiǎn)單，實(shí)現(xiàn)方便。展開(kāi)張拓體育彎(弓)航空、航天科學(xué)技術(shù)翼展物理學(xué)量距刻度數(shù)學(xué)生成空間生成，張成機(jī)械工程跨距量程弦長(zhǎng)能源科學(xué)技術(shù)檔區(qū)段電子、通信與自動(dòng)控制技術(shù)區(qū)段