地球經緯儀教學模型（32厘米）產品介紹
中文版
本款地球經緯儀教學模型專為初高中地理課堂設計，以1:4000萬比例還原地球形態(tài)，采用32厘米直徑球體配合精密經緯線刻度系統(tǒng)，幫助學習者直觀理解空間地理概念。模型表面使用啞光覆膜工藝清晰標注了赤道、南北回歸線、極圈等8條核心緯線，配合24小時制經線刻度環(huán)，可演示時區(qū)換算與晝夜變化規(guī)律。
球體采用高精度數(shù)控成型技術，確保大陸板塊輪廓誤差小于0.3毫米，重要城市定位準確度達角分級別。旋轉支架運用三點平衡原理，支持±15°傾斜角度調節(jié)，可模擬地球公轉軌道參數(shù)。底座配備磁吸式時區(qū)計算盤，通過滑動時區(qū)指示器可進行跨時區(qū)時間換算實踐。
在教學應用中，教師可通過實物演示晝夜更替現(xiàn)象，解析太陽直射點移動規(guī)律。學生可動手測量兩地經度差，計算地方時差異，或通過觀察晨昏線位置理解季節(jié)成因。模型附帶20個實踐教學方案，涵蓋時區(qū)計算、航線規(guī)劃、氣候帶分析等課程標準要求的核心知識點。
產品選用環(huán)保ABS復合材料，通過旋轉結構強化測試，確保20000次以上轉動精度。球體表面采用抗刮擦處理，適合課堂高頻次使用。配套提供的AR識別圖卡可連接智能設備，擴展顯示三維地形剖面與洋流運動模擬。
English Version
This 32cm Earth Coordinate Demonstrator is designed for secondary school geography education, featuring precision-engineered latitude and longitude grid system on a 1:40 million scale model. The matte-finished sphere clearly displays 8 key parallels including the Equator, Tropics, and Polar Circles, integrated with 24-hour meridian dial for time zone demonstration.
Manufactured with CNC molding technology, the model achieves <0.3mm continental contour accuracy and arc-minute positioning precision for major cities. The three-point tilting mechanism allows ±15° axial inclination adjustment to simulate orbital parameters. Magnetic time zone calculator on the base enables practical exercises in temporal coordination.
Educators can demonstrate diurnal cycles and solar declination variations through physical manipulation. Students may conduct hands-on activities measuring longitudinal differences, calculating local time variations, and observing solstice phenomena. The package includes 20 curriculum-aligned lesson plans covering time zone computation, flight path planning, and climate zone analysis.
Constructed with durable ABS composite, the model withstands over 20,000 rotational cycles while maintaining positioning accuracy. Scratch-resistant surface treatment ensures longevity in classroom environments. Augmented Reality interface cards extend learning through 3D terrain visualization and ocean current simulations when used with mobile devices.
This teaching aid effectively bridges abstract concepts with tangible learning experience, fostering spatial cognition through multi-sensory engagement. Its balanced design accommodates both whole-class demonstration and small group experimentation, making complex geospatial relationships comprehensible for learners aged 12-18.
