单词：fmcw rcs measurement system

调频连续波雷达截面积量测系统

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新东方优美背诵短文50篇 Unit35:Oil Refining

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum a dark, thick ooze from the earth had been known for hundreds of years, but little use had ever been made of it. In the 1850s Samuel M. Kier, a manufacturer i

发表于:2018-12-08 / 阅读(403) / 评论(0) 分类 新概念优美背诵短文50篇

新东方背诵文选 L35.Oil Refining

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made

发表于:2018-12-15 / 阅读(172) / 评论(0) 分类 新东方背诵文选

考研背诵50篇——35.Oil Refining

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum a dark, thick ooze from the earth had been known for hundreds of years, but little use had ever been made of it. In the 1850 s Samuel M. Kier, a manufacturer i

发表于:2018-12-30 / 阅读(77) / 评论(0) 分类 考研背诵50篇

英语短文：Oil Refining

Oil Refining An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made of it. In the 1850's Samuel M. Kier,

发表于:2019-01-08 / 阅读(59) / 评论(0) 分类 英语小短文

美国国家公共电台 NPR Chesapeake Bay Dead Zones Are Fading, But Proposed EPA Cuts Threaten Success

ARI SHAPIRO, HOST: Summer on the Chesapeake Bay is in full swing. (SOUNDBITE OF BOAT ENGINE IGNITION) SHAPIRO: We're in Maryland. We came here to find out what decades of work and hundreds of millions of dollars have done to clean up this body of wat

发表于:2019-02-13 / 阅读(43) / 评论(0) 分类 2017年NPR美国国家公共电台7月

双语有声阅读：炼油

Oil Refining An important new industry, oil refining, grew after the Civil War. Crude oil, or petroleum -- a dark, thick ooze from the earth -- had been known for hundreds of years, but little use had ever been made of it. In the 1850's Samuel M. Kie

发表于:2019-02-25 / 阅读(59) / 评论(0) 分类 双语有声阅读
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