order of magnitude

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Most software projects have requirements backlogs that are too big -- often by an order of magnitude.
大多數軟件項目都有龐大的需求積壓——通常按照數量級進行排列。
But it is interesting. Let's just, for an order of magnitude say what happens for ground state electron in atomic hydrogen?
但行星模型其實挺有趣的，按照重要的先後順序，我們來猜想一下,氫原子中的基態電子會發生些什麽？
We could optimize, but the application would be at least an order of magnitude slower. Memory use would also skyrocket, as so many classes are created.
我們可以做優化，但應用程序的速度將會變慢至少一個數量級，內存的使用也會扶搖直上，因爲有這麽多的類被創建。

But it is interesting. Let's just, for an order of magnitude say what happens for ground state electron in atomic hydrogen?
但行星模型其實挺有趣的，按照重要的先後順序，我們來猜想一下,氫原子中的基態電子會發生些什麽？
麻省理工公開課 - 固態化學導論課程節選
And so in theory after just 2 or 3 steps you were in order of magnitude farther along in this counting process than I would be because I'd still be on person literally 3 or 4.
因此從理論上說,經過這樣短短的兩三個步驟,你們就有了分級次序，比我數數快多了,因爲我才數到第三四個人。
哈彿公開課 - 計算機科學課程節選
And how about order of magnitude? Let's see.
那麽什麽是大小的程度。
麻省理工公開課 - 固態化學導論課程節選

On the basis of original intent, the IMF is failing by a nosebleed order of magnitude.
FORBES: "You Americans Are Funny" -- You Start an IMF

數量級
In international trend, accuracy and stabilization improve very quickly by one order of magnitude every 6-8 years.
從國際發展的趨勢上看，頻率標準的準確度和穩定度提高得非常快，幾乎是每隔6～8年就提高一個數量級。
數量序