英语词汇back-of-the-envelope calculation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

简明释义

简易估算：一种快速、粗略的计算方法，通常用于对某个问题或项目进行初步评估，而无需进行详细的分析或计算。

网络释义

1
?通过一项封底计算
贝利尼通过一项封底计算(back-of-the-envelope calculation)来统计Gifts..

双语例句

1
Dr Balch has done a back-of-the-envelope calculation.
鲍尔奇博士做过一个事后计算。
2
I did a back-of-the-envelope calculation for our spending on gyms and fitness equipment over the past 27 years.
我粗略地计算了一下过去27年来我们在健身会员卡和健身器械上的花费。
3
I worked this out with Martin Wattenberg at IBM; it's a back-of-the-envelope calculation, but it's the right order of magnitude, about 100 million hours of thought.
这是我和马丁?瓦滕伯格在IBM计算出来的。这是一个封底计算，但它的数量级是正确的，约1亿小时的思想。

单词	back-of-the-envelope calculation
释义	back-of-the-envelope calculation 简明释义简易估算：一种快速、粗略的计算方法，通常用于对某个问题或项目进行初步评估，而无需进行详细的分析或计算。网络释义 1 ?通过一项封底计算贝利尼通过一项封底计算(back-of-the-envelope calculation)来统计Gifts.. 双语例句 1 Dr Balch has done a back-of-the-envelope calculation. 鲍尔奇博士做过一个事后计算。 2 I did a back-of-the-envelope calculation for our spending on gyms and fitness equipment over the past 27 years. 我粗略地计算了一下过去27年来我们在健身会员卡和健身器械上的花费。 3 I worked this out with Martin Wattenberg at IBM; it's a back-of-the-envelope calculation, but it's the right order of magnitude, about 100 million hours of thought. 这是我和马丁?瓦滕伯格在IBM计算出来的。这是一个封底计算，但它的数量级是正确的，约1亿小时的思想。
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