It was only with the growth of paediatrics and psychology in the twentieth century that studies could be carried out on a more objective, if still not always very scientific, basis.
Shades of meaning, contradictions, the psychology that an "objective" mind can always introduce into all problems have no place in this pursuit and this passion.
意义的阴影、矛盾的对立以及认为一切问题“客观”的心智均能解决的心理，对此问题都将无能为力。
3
Objective: To investigate the effect of the saturation deep diving on the psychology of divers.