根据配额发放许可证 Licensing by Quota
根据国际特许加盟协会 International Franchise Association ; IFA
是根据微软许可授权 Microsoft Permissive License
提出的设计数据如安全系数、许用应力均根据生产实践的应用所确定。
Some datum, for example safety factor and allowable stress are put forward based on production practice.
根据生产要求，限定最大许用挠曲度，即可确定相应的辊轮位置尺寸。
Restricting the maximum flexibility according topractical needs, then the maximum position of roller can be decided.
叙述了滚动球窝喷管在设计中许用接触应力的选择依据及方法，并根据以往的经验公式及其试验数据对影响许用接触应力的几个因素进行了分析。
Selection basis and method on allowable contact stress of rolling ball-socket nozzle were described. Based on empirical formula and test data, several factors affecting allowable stress were analyzed.
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