由于对纤维壁增厚程度的测量对于大多数实际用途来说过于费力，因此这种测定棉纤维成熟度的方法是一种间接测试。它包括基于判断和经验的评估，适用于常规研究目的。

As measurements of the degree of wall thickening of the fibres is too laborious for most practical purposes, this method of determination of maturity of cotton fibres is an indirect test. It consists of an appraisal, based on judgment and experience, and is suitable for routine research purposes.