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mixed chancre：混合下疳

mitral valvuloplasty 僧帽瓣成形术 | mixed chancre 混合下疳 | mixed form casts 混合型圆柱

change from：转化

mechanical energy =机械能;result=导致. | change from=转化; | form =形式;

Caterpillars change into butterflies：毛虫变成蝴蝶

to pass or make somebody/something pass from one state or form into another (使)變換,改換,變成... | Caterpillars change into butterflies. 毛蟲變成蝴蝶. V | Wait for the traffic lights to change. 等待交...

characteristic polynomial：固有(特征)多项式

特征偏微分方程 characteristic partial differential equation | 固有(特征)多项式 characteristic polynomial | 固有(特征)二次型 characteristic quadratic form

characteristic polynomial; proper polynomial：特徵多项式

1482,"characteristic partial differential equation","特徵偏微分方程" | 1483,"characteristic polynomial; proper polynomial","特徵多项式" | 1484,"characteristic quadratic form","特徵二次型"

characteristic value, characteristic vector：第五章、矩阵的特征值和特征向量

第四章、向量空间 vector space | 第五章、矩阵的特征值和特征向量 characteristic value, characteristic vector | 第六章、二次型 quadratic form

chart n.(sheet of paper with)information written or drawn in the form of apicture：图(表)

schedule n.timetable时间表 | chart n.(sheet of paper with)information written or drawn in the form of apicture图(表) | commit vt.指定.用于

chart n. (sheet of paper with) information written or drawn in the form of a picture：图(表)

schedule n. timetable 时间表 | chart n. (sheet of paper with) information written or drawn in the form of a picture 图(表) | commit vt. 指定......用于

standard charter party：租船合同标准格式

standard cell 标准电池 | standard charter party 租船合同标准格式 | Standard Charter Party Form 标准租船合同范本

standard charter party：标准租船合同

standard characters 标准字符串 | standard charter party 标准租船合同 | standard charter party form 标准型租船契约格式

air ventilator：通风管

air purifier 空气滤清剂 | air ventilator 通风管 | air-bleed 空气分泄器

sound motion picture, talkie：有声电影

silent cinema, silent films 无声电影 | sound motion picture, talkie 有声电影 | cinemascope, CinemaScope 西涅玛斯科普型立体声宽银幕电影,变 形镜头式宽银幕电影