The spline specification tables now include a greater number of tolerance level selections. These tolerance classes were added for greater selection to suit end product needs.

花键的规格表中，提供了多种公差水平的选择，以适应最终装配需求。

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The percentage of asset method requires more work because frequent portfolio monitoring is needed to determine when asset classes move outside of their tolerance bands.

FORBES: Investment Principle Matters to Principal