这些技术包括开放式池塘养殖藻类，以及将藻类培植在密封管中的生物反应器技术。
These will include open ponds as well as bioreactors, where the algae are grown in sealed tubes.
它们提供了一些有吸引力的功能，像使用诸如wsdl和SOAP这样的开放式标准以及重用现有的Web基础结构，包括硬件、软件和专门技术。
They offer attractive features like the use of open standards like WSDL and SOAP, and the re-use of existing Web infrastructure including hardware, software, and expertise.
先锋，富达和Putnam Investments都有可转换开放式共同基金的，同时也有许多封闭式基金，包括一些基金在其净资产值以下。
Vanguard, Fidelity and Putnam all have open-end convertible mutual funds, and there are many closed-end funds, including some trading at discounts to their net asset values.
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