It is considered difficult to analytically prove whether sample probability weighted moments with discreteseries are unbiased estimators.
人们普遍认为要从理论上通过数学分析的方法来论证不连序系列样本概率权重矩的偏倚性是很困难的。
2
Communication between applications, and even between computers on a network, is usually accomplished using messaging-a series of discrete packets of information.
应用程序间的通信(甚至网络上计算机之间的通信)通常都使用消息(即一系列不同的信息数据包)完成。
3
The hyena's whoop vocalization is a series of discrete calls produced in about of sound that can travel distances of more than two miles.