Biological preparations composed either of a harmless variety of a disease-causing agent such as a virus or bacteria, or of proteins derived from such an agent.

由无害的多种致病介质如病毒或细菌或来自这些介质的蛋白质组成的生物制品。

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Especially, Geondapdo, which was derived from Mando, was fixed as a new variety at that period.

尤其需要指出的是，干田稻源于中稻，被称作那个时期的一个新品种。

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Recently, in addition to known European options and American options, there appear many new variety which are changed, composed, derived by vanilla options in international financial market.

近年来，国际金融衍生市场除了人们熟知的欧式期权和美式期权之外，还涌现出了大量由标准期权变化、组合、派生出的新品种。

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Information and analysis are to be derived from a variety of sources and be illustrated with examples.

UNESCO: Cultural Expressions

These natural oils and biomaterials are tailored not only for fuel production, but also as replacements for fossil-derived petroleum and a variety of natural plant oils and compounds, making them useful in a wide range of products: from oleochemicals, to cosmetics, to foods.

FORBES: Cunning Capitalists Go Blazing Into Biofuels

In the quest to tap new sources of renewable energy, scientists are turning to the sun, to the wind, and of course, to a variety of bio-derived fuel alternatives.

FORBES: Getting Power From Salty Water