STEM与日常科技·英语30篇（7）

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扫地机器人如何自主导航房间

Self-driving vacuums combine LiDAR, cameras, and wheel encoders to map their surroundings.
They build real-time floor plans by bouncing laser pulses off walls and furniture.
SLAM software processes sensor data to locate the robot and track its path precisely.
Obstacle avoidance algorithms help them steer around shoes, cords, and pet toys safely.
Some models use visual landmarks like door frames to reorient themselves if lost.
Battery management systems prioritize cleaning high-traffic zones first when power is low.
Wi-Fi connectivity allows users to schedule cleanings and monitor progress via smartphone apps.
Advanced versions recognize carpet versus hard floor and adjust suction accordingly.
Their wheels rotate independently, enabling tight turns and edge-following along baseboards.
Regular firmware updates improve navigation logic based on aggregated user data worldwide.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

Advanced versions recognize carpet versus hard floor and adjust suction accordingly. 高端机型可识别地毯与硬质地板，并相应调节吸力。
Their wheels rotate independently, enabling tight turns and edge-following along baseboards. 车轮独立旋转，支持原地转向及沿踢脚线紧贴边缘清扫。
Self-driving vacuums combine LiDAR, cameras, and wheel encoders to map their surroundings. 自动驾驶吸尘器结合激光雷达、摄像头和轮式编码器来绘制周围环境地图。

这篇中文题目最接近哪一句？扫地机器人如何自主导航房间一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？自动驾驶吸尘器结合激光雷达、摄像头和轮式编码器来绘制周围环境地图。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） How Self-Driving Vacuum Cleaners Navigate Rooms How to cook noodles A maths worksheet

Advanced versions recognize carpet versus hard floor and adjust suction accordingly.

Advanced versions recognize carpet versus hard floor and adjust suction accordingly.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：Advanced versions recognize carpet versus hard floor and adjust suction accordingly.