This paper reports the new technology of using wheat as raw material, adopting half-underground ferment pool and solid state fermentation to produce good quality vinegar.

本文报导了以小麦为主料，采用半地下发酵池，进行固态发酵生产优质食醋新工艺的研究。

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There is no irritation caused by waiting for trains, buses or underground trains, standing in long patient queues, or sitting on windy plat forms, for as long as half an hour sometimes.

人们不会因为耐心排着长队等火车、公共汽车或地铁，或者坐在刮风的平台上长达半个小时而感到烦躁。

youdao

There is no irritation caused by waiting for trains, buses or underground trains, standing in long patient queues, or sitting on windy plat forms, for as long as half an hour sometimes.

人们不会因为耐心排着长队等火车、公共汽车或地铁，或者坐在刮风的平台上长达半个小时而感到烦躁。

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For example, we recently learned that part of the vast Iranian covert nuclear weapons complex involves facilities in hardened tunnels half-a-mile underground.

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But some of the most mesmerizing work space photographs in this collection belong to the lesser-known: the coal miner working nearly half a mile underground, or the two astronauts hard at work 200 miles above it.

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The second half of the purported manifesto is a DIY-manual of how to conceal and prepare an underground terrorist cell -- almost entirely derived from open sources.

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