visual phenomena meaning in English

可视现象

In this paper , the stabilizing triblock w / o starch microemulsion has been studied firstly , with the aid of electrical conductance , phase volume and visual phenomena
本论文首先借助电导值、相体积和表观现象的变化研究了单一稳定的三元w o型淀粉微乳液。
To measure the distance of heavenly objects close to us , we can use a method called " parallax " , a simple visual phenomenon that was well understood by ancient greek more than two thousand years ago and was then used to estimate the earth s radius
要量度邻近天体的距离，我们可采用视差法parallax 。古希腊天文学家在二千多年前已提出视差法的基本原理，并藉此测定地球的半径。