practicability

the practicability of flying

性

OBJECTIVE To study the practicability of sulfacetamide sodium eye drops and ofloxacin eye drops without preservatives.

目:探讨无防腐剂磺胺醋酰钠滴眼液和氧氟沙星滴眼液性。

Technicality reliability and practicability for the newly-reformed LSY conveyor have been highly improved.The specification and model of the products have been seriated.

新改良LSY型系列产品技术性，靠性和实用性都有突破性提高，产品规格，型号己系列化。

As a kind of practical artistic form combining with technologies and arts,the shoes contain two lays:one is their corporality and practicability;

鞋靴作为一种技术性与艺术性结合较为紧密实用艺术形式,它包含两个层面:其一是它们物质性和实用性;