可采用多种钢轨廓形，使每种廓形与车轮均有一定数量的接触点，可以提高导向性能和总体的车辆运行质量，从而减少噪声和振动。

Use of a variety of rail profiles with a range of contact points improves steering and overall ride quality, and thereby reduces noise and vibration.

youdao

改进算法利用总体最小二乘法得到噪声子空间。

The total least squares method was used in the improved algorithm to obtain the noise subspace.

youdao

针对基因表达数据含有噪声的特点，提出了基于总体最小二乘估计的基因表达缺失值估计算法。

Consider the additive noise in the expression dataset, a new method based on Total Least Squares (TLS) is presented.

youdao