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筛分粒度级
1、fraction───n.分数;部分;小部分;稍微
2、partial fraction───部分分数,部分分式;[数]部分分式;[数]部分分数
3、molecular sieve───[化学][真空]分子筛
4、gallon fraction───加仑分数
5、sixths fraction───六分之一分数
6、sieve tube───筛管
7、complex fraction───n.繁分数;n.[数]繁分数
8、sieve───n.[粮食][矿业]筛子;滤网;不能保守秘密的人;vi.筛;滤;vt.筛;滤;n.(Sieve)人名;(英)西夫
9、ejection fraction───[生理]射血分数;射出分率
1、Through the corresponding between integral coefficient polynomial and rational number, this paper obtains factorization from factorization of polynomial by the way of sieve in true fraction series.───本文利用整系数多项式与正有理数的对应,将多项式因式分解通过对真分数序列筛选的办法求得因式。
2、The results showed that the modified PET fiber had good spinnability when the molecular sieve content in fiber was 2% by mass fraction;───结果表明:当纤维中分子筛质量分数为2%时,改性PET纤维的可纺性较好;
3、method of using metal probe for measuring the void fraction at any point in gas-liquid two-phase flow on Sieve tray is described.───用金属探针法测量塔板上气液两相流中某些点的含气率。