pendulum whose period is precisely two seconds
In the Vinony graph
Vinony's link graph records 62 inbound references to 秒摆, and connects out to pendulum, cycloid and verge escapement.
It sits within the topics Pendulums, Timekeeping components and Units of length.
Vinony links it to 9 Wikipedia language editions.
Article · 中文
秒摆是指週期为两秒的单摆，第一次摆动消耗一秒，第二次摆回消耗一秒，故得名秒摆。其频率为 0.5Hz。
Abstract from DBpedia / Wikipedia · CC BY-SA
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