On the basis of test count, the complete C-R-S-N curve is worked out according to the principle of statistics. so as to provide basic data for gear design.
在试验数据的基础上，根据统计学原理，拟合出完整的C - R - S - N曲线，并获得各种可靠度下的弯曲疲劳曲线，从而为国产材料齿轮设计提供了必要的基础数据。
The optimum combination program of N, P, and K in the basic fertilizer on the cold type turf was studied by using three factors saturated optimum design and gray game decision method.
运用三因素饱和最优设计与灰色局势评价方法，通过盆栽试验，研究了适合于科尔沁沙地土壤的冷地型草坪基肥的氮、磷、钾营养元素的配比方案。
应用推荐