If the delta is ever negative, consider that an error, as you should never get an item from the queue with an earlier trigger time, when the delay has ended.
如果时间差是负数，可以视为一个错误，因为永远不会在延迟时间结束后，在一个更早的触发时间从队列中取得项。
The plane wave error is always negative windage, when the sound wave is the cycle function of space and time.
当声波是空间位置和时间的周期函数时，平面波误差项永远是一负偏差项。
Positive time-order-error often occurred in the judgement off-short time interval, negative time-order-error was more likely to occur in longtime interval.
对短时距的判断通常表现为正时间顺序误差，而对长时距的判断则表现为负时间顺序误差。
应用推荐