Selecting samples which can completely exhibit the varying characteristics of musical signal is the most important subject of this system.

如何选择一些能够完全表示出音乐讯号特性的样本是此系统一个很重要的议题。

youdao

Then the paper puts detailed description on research design, which consists of selecting samples, choosing variables and establishing the early-warning model.

接着是本文的研究设计，介绍了研究样本的选取、变量的选择以及财务困境预警的研究方法。

youdao

In this algorithm, sample region density is introduced. Weight vectors are updated under the condition of selecting samples with different probability according to their density.

该算法引入样本区域密度的概念，根据密度大小按不同的概率选取样本，以修正权矢量。

youdao

Relatively few students are enrolled in voucher schemes, and studies of them are controversial because these are mostly self-selecting samples.

ECONOMIST: Sorting out school choice