This probability ( a ) is also called the level of significance 概率（ ）也叫作显著性水平。
2.
Level of significance 显著性水平
3.
The negative correlation of the dry matter production to the age class of rhizome indicates level of significance ( p < 0 . 05 , po . ol ) in leymus chinensis , calamagrostis epigeios and c . rigidula populations 羊草、牛鞭草和硬拂子茅种群根茎的干物质积累量与龄级间的负相关关系达到显著和极显著水平。
4.
There were also differences between the personal characteristics of these participants with the need of leisure and sports ( 1 ) for the ages of these participants , it approached the level of significance differences between the age under and above 30 years old . ( 2 ) for the educational level of these participants , level of college was more than senior high school and university 二、不同背景变项的护理人员从事休闲运动的需要，以30岁以上的高于30岁以下者，且差异达显着水平；高中（职）学历者之需要程度高于专科与大学以上，且专科与高中（职）差异达显着水平。
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