contingency x 中文意思是什麼

contingency x 解釋

contingency : n. 1. 偶然[可能]（性）。2. （意外）事故；意外事件，臨時[可能]事件。3. 臨時費。
x : X2＝（羅馬數字）10 XX ＝ 20 IX ＝ 9 XV ＝ 15 XL ＝ 40 LX ＝ 60 XC ＝ 90 DXL ＝ 540 MX ＝ 1010 ＝...

3. based on the 2 x 2 contingency table, interspecific association among 17 common species forests of meizi lake area was examined by using various indices, the results are s as follows : ( 1 ) w - test indicated that positive correlations exist among the common populations ; ( 2 ) the most pairs of the populations in the forest communities in meizi lake area showed positive correlations

採用2x2列聯表，通過x 『一檢驗、 ac值、 pc值及點相關系數小值對在樣地中出現頻率較高的17個種群的種間聯結進行了定量分析，結果如下：門） w一檢驗表明，梅子湖森林植被樣地17個常見種群的總體種間關聯性里顯著正關聯。