属于地方分权型教育行政的国家是（） ["美国","日本","中国","法国"]
保护接地的作用是（）。 ["系统的需要","保护设备安全","保护人身安全","抑制干扰"]
幼儿园室内设备配备原则主要有（）、（）、（）、（）、（）、（）等。
The way in which people address each other depends on their age, sex, social group and personal relationship. The English system of address forms frequently used includes first name, last name, title+last name, （）, and kin term. ["title+first name","title+title","title alone","first name+last name+title"]
简述高斯扩散模式四点假设。
切粒水温与粒子形状有何关系？
