osculation element[数] 密切元素
osculation process[数] 密切法
fractal osculation分形密切
band osculation带状密切
osculation space[数] 密切空间
osculation circles密切圆
best osculation最大接触
osculation point密接点
self osculation自密切;自接触
The osculation of economy and a library bridges a link between economics and library science. The introduction of economics to the library science system is a trend of the times.
经济与图书馆活动的密切性,使经济学与图书馆学有了联系的纽带,图书馆学科体系引进经济学乃大势所趋,图书馆经济学的诞生指日可待。
参考来源 - 图书馆经济学浅议N（名词） a point at which two branches of a curve have a common tangent, each branch extending in both directions of the tangent 密切点 (Also called tacnode) [maths]