One of these had a particular three-part or ternary pattern attributed to J. S. Bach’s son, Carl Philipp Emanuel Bach (1714–1788), which is now called sonata form.

其中的特定的三部或三元格式，是由巴赫的儿子卡尔.菲利普.伊曼纽尔.巴赫(1714-1788)创作出来的，这就是现在所谓的奏鸣曲式。

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One is the Financial Times (part-owner of The Economist) which demands registration of anybody wishing to view more than three articles per month and payment from anybody wanting to see more than ten.

其中一个就有《金融时报》（《经济学家》的一半股份的所有者），其规定：每月阅读三篇以上，需要注册；阅读十篇以上需要缴费。

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If you buy into the 75/25 ratio of one type of content to another type of content on a single site, then you might want to work on the 75 part of that ratio three times as much as the 25 part.

如果在一个网站上两方面投入比例是 75/25，那么在 75 那部分投入的努力就要是 25 那部分的 3 倍。

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The chemical, one part nitrogen to three parts hydrogen, stores a lot of energy: a gallon of it has about half the Btus as a gallon of diesel.

FORBES: Peak Oil Solution: The Simmons Plan

Most worrying of all for Detroit is that much of the foreign firms' new capacity is to produce vehicles for the one part of the market where the big three were able to make money in the 1990s: pick-ups, SUVs and the like.

ECONOMIST: Driving downhill | The

The information from the beam-splitter is then transmitted separately to the recipient, so that he knows whether to accept C unaltered as part of the message, or apply one of three mathematical transformations to it, to arrive at the right result (this does not compromise secrecy, since any eavesdropper will not know what the transformation needs to be applied to).

ECONOMIST: Quantum information technology