variance - ratio test的用法和样例：
例句
- The result of the variance ratio showed that the random walk hypothesis on the wheat futures of ZCE was disproved.
方差比检验的研究结果却表明郑州小麦期货市场不满足有效性假设。 - By using the theory of the likelihood ratio test, a method for choosing prior distributions and classes of prior distribution is given.
摘要利用似然比检验原理，给出了选取先验分布及先验分布族的似然比检验方法。
