He studied the cards, each with its different numerals.他仔细看了看牌, 每张牌上的数字都不相同.A table comparing numerals in two different numeral systems.一种可以比较两种不同数制中的数字的表格.He learned to write the numerals before he went to school.他在上学前学...
Oral contraceptives are readily available.口服避孕药容易得到.Some barrier contraceptives also help to protect against sexually transmitted infections.有些屏障避孕还有助于预防性传播疾病.Continuous Oral Contraceptives: Are Bleeding Patterns Depende...
The influence factors of testing dispersity of oil - based incendiary agent are also discussed in the paper.讨论了油基燃烧剂分散性测试的影响因素.The product shares the characteristics of better optical performances, smaller particle size ...