地球經(jīng)緯儀教學(xué)模型（32厘米）產(chǎn)品介紹
中文版
本款地球經(jīng)緯儀教學(xué)模型專為初高中地理課堂設(shè)計(jì)，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(jīng)緯線刻度系統(tǒng)，幫助學(xué)習(xí)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(biāo)注了赤道、南北回歸線、極圈等8條核心緯線，配合24小時(shí)制經(jīng)線刻度環(huán)，可演示時(shí)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(shù)，確保大陸板塊輪廓誤差小于0.3毫米，重要城市定位準(zhǔn)確度達(dá)角分級(jí)別。旋轉(zhuǎn)支架運(yùn)用三點(diǎn)平衡原理，支持±15°傾斜角度調(diào)節(jié)，可模擬地球公轉(zhuǎn)軌道參數(shù)。底座配備磁吸式時(shí)區(qū)計(jì)算盤，通過滑動(dòng)時(shí)區(qū)指示器可進(jìn)行跨時(shí)區(qū)時(shí)間換算實(shí)踐。
在教學(xué)應(yīng)用中，教師可通過實(shí)物演示晝夜更替現(xiàn)象，解析太陽直射點(diǎn)移動(dòng)規(guī)律。學(xué)生可動(dòng)手測(cè)量?jī)傻亟?jīng)度差，計(jì)算地方時(shí)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(gè)實(shí)踐教學(xué)方案，涵蓋時(shí)區(qū)計(jì)算、航線規(guī)劃、氣候帶分析等課程標(biāo)準(zhǔn)要求的核心知識(shí)點(diǎn)。
產(chǎn)品選用環(huán)保ABS復(fù)合材料，通過旋轉(zhuǎn)結(jié)構(gòu)強(qiáng)化測(cè)試，確保20000次以上轉(zhuǎn)動(dòng)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(shí)別圖卡可連接智能設(shè)備，擴(kuò)展顯示三維地形剖面與洋流運(yùn)動(dòng)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.
