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纖維被子是最便宜的被子
在所有的被子中，纖維應該被認為是價格最適中的，價格一般在100-200元左右。纖維被可分為四孔、七孔、九孔被等。理論上，纖維孔越多，保暖性、彈性和透氣性越好。但不必選擇開孔較多的纖維被，如果冬天室內溫...
Microsoft’s Path Guide is an unconventional approach to indoor navigation
Indoor mapping is one of those stubborn problems that seems to only have solutions that involve a gr...