比最早期绳纹盆晚了几千年，在中东与北非出现了当地第一批陶器，而在美洲，那是还要再晚几千年的事。
The first POTS known from the Middle East and North Africa were made a few thousand years after the earliest Jomon POTS, and in the Americas it was a few thousands of years after that.
链条比绳更耐用，但如果马惊慌时将链拉出墙，也会更危险。
Chains are more durable than rope, but also more dangerous if the horse panics and pulls them out of the wall.
辅绳。各种直径的尼龙或者合成纤维绳索，通常比攀登绳索细。
Accessory cord - Nylon, Kevlar? or Spectra? cord sold in various diameters, typically smaller than those of climbing ropes.
当极点确定时，观测器对绳长变化比吊重变化敏感。
Observer is more sensitive to the change of rope length than the change of load mass when the poles are determined.
当极点确定时，观测器对绳长变化比吊重变化敏感。
Observer is more sensitive to the change of rope length than the change of load mass when the poles are determined.
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