Result Preoperational indications were not properly chosen;

结果术前适应症选择不当；

youdao

The background survey methods and results of preoperational environmental radio activity around Qinshan NPP are introduced in this paper.

本文主要介绍秦山核电厂运行前的环境放射性本底调查的方法和结果，同时简要概述了运行中的环境监测计划。

youdao

This paper briefly describes the general layout and system design of preoperational test boilers of Daya Bay Nuclear Power Station and the economic benefits attained therefrom.

本文介绍了大亚湾核电站调试锅炉工程总体布置和系统设计以及实施效果。

youdao

The next stage is the preoperational stage.

下一个阶段是前运算阶段

耶鲁公开课 - 心理学导论课程节选

The child starts off grasping the world only in a physical way, in a sensorimotor way, but when he gets to the preoperational period, the capacity to represent the world, to have the world inside your head, comes into being.

开始的时候,儿童只能通过生理的方式,通过感知运动的方式,来认识世界,但是当儿童进入了前运算阶段,他们便逐渐拥有了表征事物,在头脑中构建世界的能力

耶鲁公开课 - 心理学导论课程节选