The manufacturing technology of seismic charge with high detonation velocity containing single base propellant and double base propellant is researched.

研制含单基药、双基药的高爆速震源药柱+，并对其制造工艺进行了研究。

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This annual meeting cancelled lottery link, the charge sum of surplus contributed the school of seismic disaster area.

此次年会取消了抽奖环节，节余的费用全额捐给了地震灾区的学校。

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The article is about the basic qualities a librarian-the person in charge of document management in seismic stations-should have.

本文对地震台档案管理工作的主体—档案管理员应该具备的素质进行了探讨。

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What would have taken three months to render on a Cray in 1993 now takes two hours or less on a PC, says Barney Issen, Chevron's senior geophysicist in charge of interpreting seismic data.

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