最佳检修周期与预防性检修影响参数的关系不存在方向性的翻译：Best repair cycle and its influence parameters of preventative maintenance relationship there is no directionality 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The best preventive maintenance and repair cycle parameters influence the direction of the relationship does not exist

Best repair cycle and its influence parameters of preventative maintenance relationship there is no directionality

The best overhaul period and the preventative maintenance influence parameter relations do not have the directivity

Best overhaul cycle parameters with the relationship between impact preventive maintenance of direction does not exist

Best repair cycle and its influence parameters of preventative maintenance relationship there is no directionality