"Survey the sky and see a thousand rivers from a distance" PPT

Description

"Survey the sky and see a thousand rivers from a distance" PPT

Part One: Learning Objectives

1. Understand the relevant knowledge of modern remote sensing technology.

2. Understand the appropriate use of explanatory methods and the characteristics of expository language.

3. Cultivate interest in learning Chinese and love science.

Surveying the Sky and Looking at a Thousand Rivers from a Distance PPT, Part 2: Getting Close to the Author

Wu Wenhu is a professor and doctoral supervisor in the Department of Computer Science and Technology, Tsinghua University. Informatics, head coach of the Olympia national team. He studied in the Department of Mechanical and Electrical Engineering and the Department of Automatic Control of Tsinghua University from 1955 to 1961. He is 63 years old this year and is a member of the Popularization Committee of the China Computer Society and won the "Capital Labor Medal".

Li Qiudi, popular science writer.

pronunciation

Hong Photography Potash

Uranium Jiuxiao

Exploration Deployment Rotation

reconnaissance jamming orbit

meaning

Jiuxiao: the highest point in the sky, generally refers to a very high or very far place.

Exploration: Investigate mineral deposits in an area, find out the distribution of mineral deposits, and determine the location, shape, size, mineralization rules, rock properties, geological structure, etc. of ore bodies.

Magnificent: broad; broad.

Deployment: arrangement, arrangement.

Surveying the Sky and Seeing a Thousand Rivers in the Distance PPT, Part Three: Hierarchy:

1~2 Use poetry to introduce modern remote sensing technology.

3~10 Introduce the concept of modern remote sensing technology and its important role in earth resources and military reconnaissance.

collaborative inquiry

What is remote sensing technology? What are the characteristics of modern remote sensing technology?

How does it work?

what is it used for?

What illustrative methods does the author use to illustrate this knowledge?

Surveying the Sky and Seeing a Thousand Rivers in the Distance PPT, Part 4: Language Characteristics

1. Current technical means can already identify targets of about 1 square meter on the ground at an altitude of several hundred kilometers.

Answer: "Now" is a time limit, "already" indicates the technical level that can be achieved, and "left and right" indicates a certain range. These words reflect the accuracy of expository language.

2. It is said that in the ground photos taken by the American SR-71 super reconnaissance aircraft from an altitude of 25 kilometers, it can be seen that the ground mechanics have no clean shaven beard roots on their faces.

Answer: "It is said" indicates that the source of the following information is not from seeing it with one's own eyes. Express rigorously and accurately.

Surveying the Sky and Seeing a Thousand Rivers from a Distance PPT, Part 5: Inspection in the Classroom

1. The target of this article is:___________. According to the general classification of expository texts, this article belongs to _______ expository texts.

2. This article adopts the logical sequence of ___________.

3. Accurately identify the explanation methods used in the following sentences.

⑴ Observing the ground from high altitude through aircraft or satellites and obtaining relevant data for analysis is modern remote sensing technology. ( )

⑵ In the entire remote sensing system, satellite aerial survey is equivalent to human eyes, and computer analysis is equivalent to human brain. It is both a scout for ground and underground resources and a surveillance post on the national defense frontline. ( )

⑶For example, a remote sensor mounted on an airplane can observe the situation on the ground from an altitude of 20 kilometers, and one photo can capture 30 square kilometers of the ground. A photo taken by a satellite remote sensor from an altitude of 1,000 kilometers can include a ground scene of 185 kilometers square, equivalent to the area of ​​the entire Hainan Island. ( )

Surveying the Sky and Seeing a Thousand Rivers from a Distance PPT, Part Six: The Beginning

This article explains modern remote sensing technology. Why should we use a certain length of time to "quote" and analyze the poems of Li He of the Tang Dynasty and Mao Zedong of today? Is it off topic?

Naturally introduce the object of explanation; integrate literature and science to enhance the interest of the article; stimulate readers' interest in reading.

It also shows the truth: scientific discovery and innovation are closely related to _________.

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Update Time: 2024-07-02

This template belongs to Chinese courseware Hebei Education Edition Eighth Grade Chinese Language Volume 1 industry PPT template

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