科学性的英文怎么说

科学性的英文：
scientificaalness

Propulsion System for a Scientific Micro/Nanospacecraft
用于科学性微/纳级宇宙飞船的推进系统

It verifies the scientificness and practicability of two- subject teaching of music and fine arts.
从而论证音乐、术双学科教学模式的科学性与可行性。

Objectives to explore the feasibility and rationality of body temperature detecting in upper concave of clavicle.
目的探讨锁骨上窝测温的科学性与可行性。