34009經緯度模型320mm 地理教學儀器
產品概述
34009經緯度模型是一款專為中學地理教學設計的演示儀器，采用直徑320mm的球體結構，直觀展示地球自轉、地軸、兩極、經緯線及經緯度等地理概念。該模型由24條經線和9條緯線構成空心網狀球體，內部設有可調節(jié)的本初子午線平面板、赤道平面板及緯度指針，通過旋鈕控制實現(xiàn)動態(tài)演示。地軸與底座呈66.5°夾角，符合地球實際傾角，并附帶時區(qū)演示套圈，適用于初中、高中地理課堂的互動教學。5813
核心功能
模型通過旋轉經線平面板和緯度指針，可清晰演示地球自轉方向、理論時區(qū)劃分、國際日期變更線及五帶范圍等知識點。球體采用輕質耐用材質，支架穩(wěn)固，便于教師操作和學生觀察。其空心網狀設計能立體呈現(xiàn)經緯網系統(tǒng)，幫助學生理解地理坐標的定位原理，同時支持晝夜更替、季節(jié)變化等拓展內容的模擬教學。5815
教學價值
作為地理課堂的重要教具，該模型將抽象的地球運動轉化為可視化演示，增強學生對黃赤交角、極晝極夜等現(xiàn)象的認知。其標準化尺寸（320mm）適合教室多角度觀察，且符合國家教育儀器配備要求，廣泛應用于初中、高中地理實驗室和專用教室。111316
Product Overview
The 34009 Longitude-Latitude Model is a 320mm-diameter teaching instrument designed for secondary school geography education. It features a hollow spherical framework composed of 24 meridians and 9 parallels, with adjustable prime meridian plate, equatorial plate, and latitude pointer inside. The 66.5° tilt axis replicates Earth s actual obliquity, while detachable rings demonstrate time zone divisions. Ideal for interactive lessons on planetary rotation and spatial coordinate systems.81318
Key Features
This model dynamically illustrates Earth s rotation, time zone calculations, and climate zones through manual adjustments of its internal components. The lightweight mesh structure ensures durability, and the stable stand allows 360° classroom viewing. Its open-grid design visually explains longitude/latitude positioning, with optional extensions for day-night cycles and seasonal changes. Suitable for group activities and teacher-guided demonstrations.5815
Educational Benefits
By transforming abstract astronomical concepts into tangible interactions, the model enhances comprehension of equator-polar relationships and solar term phenomena. Compatible with standard geography curricula, it serves as an essential tool for middle and high school labs, fostering hands-on learning in physical geography.111316
34009經緯度模型320mm 地理教學儀器
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