Sputnik - the first artificial satellite - is launched by the Soviet Union on October 4, 1957, as a global positioning system for precise weapon delivery and paves the way for GPS as we know it today.
1957年10月4日，苏联发射了首颗人造卫星“斯普特尼克”作为精准武器的全球定位系统，为我们今天所知的GPS铺平了道路。
This article reviewed the therapeutic use of chitosan as artificial lacrima, medical viscoelastic material, carrier of drug delivery systems and so on in ophthalmic disease.
本文就壳聚糖作为人工泪液、医用粘弹剂、药物缓释系统载体、抗纤维增生药物等的应用进行简要的介绍。
Objective: To observe the influence of carrying out artificial rupturing membrane in early activity period on birth process progress and delivery.
观察在活跃早期行人工破膜对产程进展及分娩的影响。
The dramatic change of sediment delivery ratio is caused by the formation of artificial sediment sinks, i. e. , sediment-trapping check-dams and reservoirs.
泥沙输移比的变化，主要是由于流域内人为沉积汇的形成所致。
Conclusion the more The Times of artificial abortion or delivery, the higher the incidence of placental adherence will be.
结论曾多次经人工流产术或曾多次生产的妇女，发生胎盘粘连的几率明显增加。
This invention relates to a highly efficient artificial low-density lipoprotein (LDL) carrier system for the targeted delivery therapeutic agents across the blood-brain barrier (BBB).
本发明涉及用于靶向传递治疗剂穿过血脑屏障(BBB)的高效人工低密度脂蛋白(LDL)载体体系。
This invention relates to a highly efficient artificial low-density lipoprotein (LDL) carrier system for the targeted delivery therapeutic agents across the blood-brain barrier (BBB).
本发明涉及用于靶向传递治疗剂穿过血脑屏障(BBB)的高效人工低密度脂蛋白(LDL)载体体系。
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