最后的挑战是找出最好的方法、最有效地呈现地理感知数据，用户界面的问题，Laraki 和 Gil 是指作为“人体工程学”的地理位置经验。
The final challenge is figuring out the best way to present geo-aware data effectively, a user interface problem that Laraki and Gil refer to as the "ergonomics" of the geolocation experience.
原则1：可感知的——信息和用户界面组件必须以用户可感知的方式呈现。
Principle 1: Perceivable - Information and user interface components must be presentable to users in ways they can perceive.
用户界面不够友好，交互手段单一，缺乏可感知性和自然性，影响学习的效果和效率。
The unfriendly user interface and single interactive means lack of awareness and nature, which affects the quantity and efficiency of learning.
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