例句與造句

1. on reciprocal sums of a class of additive functions
   一類加性函數(shù)的倒數(shù)和
2. the additive function and affection was studied on to mullite / zirconia / alumina composite ceramics in the paper . v2o5 and alf3 were confirmed to accelerate the forming of mullite whisker, ensure to enhance the toughness of samples, better heat thermal-shock resistance . the strength, micro-hardness, thermal expansion coefficient and thermal-shock resistancehave been tested
   對(duì)外加不同添加劑系列樣品，進(jìn)行強(qiáng)度測(cè)試、顯微硬度測(cè)試、熱膨脹系數(shù)測(cè)定及抗熱震性測(cè)試，從中找出了綜合性能較好的樣品配方，其抗折強(qiáng)度高達(dá)172.80mpa、顯微硬度601.5、熱膨脹系數(shù)為6.5610~(-6)~(-1)、抗熱震性好。
3. It's difficult to find additive functions in a sentence. 用additive functions造句挺難的