This second exchange process is the central step in Plastination.

第二个交换过程是“塑化”的核心步骤。

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There are four solutions of indefinite integration in paper: direct integration, the first exchangeable integration, the second exchange - able integration, parcel integration.

分析了不定积分的四种基本求解方法：直接积分、第一换元法、第二换元法、分部积分法。

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According to a survey by giant Alibaba in 2018, the market for the second hand book was booming last year as more Chinese tend to trade or exchange their used books online.

根据巨头阿里巴巴2018年的一项调查，二手书市场在去年蓬勃发展，因为越来越多的中国人倾向于在网上交易或交换他们的二手书。

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And then my second internship is with a nonprofit called Global Exchange.

我的第二个实习是在一个非盈利组织，名叫全球交流组织。

正在实习 - SpeakingMax英语口语达人

The second concerns exchange-rate policy.

ECONOMIST: Latin America seeks shelter

Satiated, we passed on a second course in exchange for the hot chocolate cake with red currants.

CNN: Eating sunup to sundown in Bologna, Italy

If a second-rate exchange is first to attract a critical mass of trading, even a better trading system may fail to wrest business away.

ECONOMIST: E-commerce