常: ordinary; common; normal以: use; take分: component表示: 0排列: arrange; rank; place; range; ...差分表示式: difference expressions定分表示法: fixed point representation积分表示: integral representation积分表示论: theory of integral representation常: Ⅰ形容词1.(一般; 普通; 平常) ordinary; common; normal 反常 unusual; abnormal; 人情之常 natural and normal; 习以为常 be used [accustomed] to sth.2.(不变的; 经常) constant; invariable 冬夏常青 remain green throughout the year; evergreenⅡ副词(时常; 常常) frequently; often; usually 她常去听音乐会。 she goes to concerts quite often. 我们常见面。 we see quite a lot of each other.Ⅲ名词1.[书面语] (准则) norms 伦常纲纪 the human relationship and principle of the feudal society2.(姓氏) a surname 常遇春 chang yuchun过分表示亲热: be lavish of endearments以分贝表示的损耗: db loss过分表示孝敬的: filiopietistic有理积分表示式: rational integral expression有限差分表示式: finite difference expression相似排列表示: similar permutation representation分表: decollat; secondary meter; sublist; submetering向别人过分表示友好的人: backslapper哑剧;不说话而充分表示意义的可笑场面。: sight gag常 用 曰 语: maybe useless常(礻+右): joyu以分贝: db排列: 1.(顺次序放) arrange; rank; place; range; put in order; arrangement; permutation 排列成行 arrange in a row [line; column]; 按字母顺序排列 arrange in alphabetical order; 依大小次序排列 arrange in order of size;汽车沿着道路排列。cars lined the road.2.[数学] permutation; 排列表 [讯] permutation table; 排列方向 orientation; 排列符号 permutation symbol; 排列规则 queueing discipline; 排列凌乱的 misarranged; 排列数 number of permutations; 排列索引 permutation index; 排列天线阵 tier array; 排列项 line item; 排列因数 array factor; 排列者 arrayer; 排列整齐 marshalling; 排列组合 [数学] permutation and combination百分表: dialgage; dialgauge; dial indicator差分表: difference table; table of difference