有人强调 meaning in Chinese

it is stressed that

It is stressed that the field of science may be divided into two major areas : natural science and social science
有人强调说，科学的范畴可以分成两个主要领域：自然科学和社会科学。
In term of the bases of the u . s . policy , some people stress the ideological factors ; some people stress the material ones
谈到美国对以色列政策的基础，有人强调观念因素的作用，也有人强调物质因素的作用。