1微秒就是一百万分之一秒。

A microsecond is a millionth of a second.

youdao

高频交易的速度是难以置信的快——1000次交易每秒——而交易所能以500微秒(微秒即百万分之一秒)的速度处理每笔交易。

The speeds are mind-boggling. High-frequency traders may execute 1,000 trades per second; exchanges can process trades in less than 500 microseconds (or millionths of a second).

youdao

证券交易所以微秒(百万分之一秒)来处理交易，也需要提高速度使交易者收集的市场数据能快速反馈到算法中。

Exchanges are required to process trades in microseconds (millionths of a second). They also need to increase the speed with which traders receive market data to feed into their algorithms.

youdao