本文试从材料设计着重可用性与经济性分析，对钛材与几种传统材料及选备材料进行比较。
Based on the analysis of the economic and practical properties in material design, titanium was compared with several traditional materials.
细菌性脑膜炎需要尽早进行抗生素治疗让患者的亲属们也备一份这些药物是一种比较谨慎的做法。
Bacterial meningitis needs antibiotic treatment as soon as possible - and it is often prudent to give these drugs to close family members as well.
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