Wang Jian, however, believes that there is great significance in the description that is given, even if the details appear trivial. "It includes the external design, measurements, structure and function.
但王湔認為，這些敘述看似瑣碎，其實其中大有學問，蘊藏著豐富的古代科技信息，「有外型、呎寸、結構、功用。