英语词汇national average怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
The mine reportedly had an accident rate treble the national average.
据报道，那个矿的事故发生率是全国平均水平的三倍。
《柯林斯英汉双解大词典》
2
Fifty-nine percent of its residents have attended graduate school – quadruple the national average.
该地区59％的居民读过研究生–是全国平均水平的4倍。
《柯林斯英汉双解大词典》
3
Asan's birthrate is 1.08, much lower even than the low national average, according to Ko Bun-Ja, one of deputies helping organize the event.
据协助组织这次活动的代表 Ko Bun-Ja，牙山市的生育率是1.08，甚至远远低于全国平均水平。

单词	national average
释义	national average 美/ ?n??n?l ??v?r?d? / 简明释义国家平均值：某个国家特定领域的平均数值。双语例句 1 The mine reportedly had an accident rate treble the national average. 据报道，那个矿的事故发生率是全国平均水平的三倍。《柯林斯英汉双解大词典》 2 Fifty-nine percent of its residents have attended graduate school – quadruple the national average. 该地区59％的居民读过研究生–是全国平均水平的4倍。《柯林斯英汉双解大词典》 3 Asan's birthrate is 1.08, much lower even than the low national average, according to Ko Bun-Ja, one of deputies helping organize the event. 据协助组织这次活动的代表 Ko Bun-Ja，牙山市的生育率是1.08，甚至远远低于全国平均水平。
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