test ratio

• 检验比

test ratio的用法和样例：

例句

1. In one corner, ex-KGB tycoons are finding that slumps are a greater test of business ability than booms.
   一方是前克格勃大亨们，他们认为在衰退时期比经济高速增长期更能检验出领导人的商业才能。
2. 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。