阅读材料，回答问题。

材料一：这么多年来依靠真主赐予的礼物——石油，我们改变了很多东西，我们告别了贫穷，告别了落后，看起来我们比5 0或40年前要自信得多了……但如果我们不改变自己，这一切仅仅是昙花一现的辉煌罢了。

                                    ——阿联酋总统

材料二：阿联酋，一个创造奇迹的国家，在立足迪拜连续打造出“帆船酒店”“棕榈岛”“世界第一高楼”等一系列惊人惊世的建设之后，如今又开始在其首都阿布扎比推出一项更为引入瞩目的工程——“马斯达尔计划”，该计划的核心是要建造世界上第一座零碳、零废物的绿色城市——“马斯达尔城”。

    I'm Peter. There are four people in my family. They are my father, my mother, my grandfather and me. I'm twelve. My birthday is on 15th March. My parents are both doctors. They help people. Their birthdays are both in May. My grandfather is old. He is sixty-five. His birthday is on 9th June. He likes reading. I like reading too. I want to be a teacher in the future. I want to teach Chinese in a school.

地理信息系统的构成主要包括哪5个部分（    ）。