b2b

常見(jiàn)例句

In the present work, the composite of C/W_2B_5 was fabricated by an in-situ reaction between B_4C and WC.
本文采用熱壓方法，利用碳化硼和碳化鎢之間的固相化學(xué)反應(yīng)，原位生成C/W_2B_5 復(fù)合材料。

Here's a - c over 2b and here's a - c over b.
這里是/2b,這里是/b
耶魯公開(kāi)課 - 博弈論課程節(jié)選
So this is a - c over b and this is a - c over 2b so this distance and this distance are meant to be the same.
這點(diǎn)是,/b,這點(diǎn)是,/2b,這兩段長(zhǎng)度應(yīng)該是相等的
耶魯公開(kāi)課 - 博弈論課程節(jié)選
Well, the monopoly quantity was a - c over 2b and the competitive quantity was a - c over b, just to remind you of those, they're on our picture.
壟斷產(chǎn)量是/2b,完全競(jìng)爭(zhēng)產(chǎn)量是/b,提示大家一下,這幾點(diǎn)都在圖上呢
耶魯公開(kāi)課 - 博弈論課程節(jié)選