总的来说，当今的老年人依然相对贫困。As a group, today's old people are still relatively deprived.每年我们都有慈善日来筹款帮助贫困人群。Every year we have charity days to raise money for unfortunate people.贫困、文盲与高出生率密切相关。Poverty and illiteracy go togeth...
加速溶剂萃取的提取效率和索氏提取相当.ASE extraction efficiency is equivalent to that of Soxhlet extraction.以二甲基亚砜为萃取溶剂,用溶剂萃取的方法提高焦化柴油的颜色安定性.Colour stability of coker gas oil has been improved by DMF extraction.同时你也会获得萃取的营养精华,如维他命B6 、 铬和钙....
The champ obviously hurt his hand on Rocky's hip!冠军打洛奇的屁股时明显伤了手!Can the hair - beaded powerhouse ( Williams ) stand up to the hair ribboned champ ( Evert ) ?头发扎成许多小辫儿、力大无比的威廉姆斯姐妹能否打败头扎丝带的世界冠军 埃弗特?It was a quick kayo...
Objective : To discuss laparoscopic operation in treating the extrauterine pregnancy.目的: 探讨腹腔镜手术治疗异位妊娠的临床疗效.Conclusion: Laparoscopy surgery for treatment extrauterine pregnancy one ideal surgery way.结论: 腹腔镜手术为治疗异位妊娠的一种理想...