指出运用不同种类混养等生物技术是兼顾防附着效果与保护生态环境的最佳方式。
It is indicated that biological technology such as polycultivation of the different species is the best method for the encrustment prevention and protection of ecology environment at the same time.
介绍了德国私营铁路货物运输价格的测算及其运输方式；指出运费测算的主要内容，并运用实例予以说明。
The paper introduces the measuring of freight price and transportation modes of the private railway in Germany, names the main contents of freight price measurement and gives out the practical case.
提供一个列出运算子、对应的优先顺序的资料表，以及一个运算子优先顺序运作方式的范例。
Provides a table that lists operators and corresponding precedence and an example of how operator precedence works.
提供一个列出运算子、对应的优先顺序的资料表，以及一个运算子优先顺序运作方式的范例。
Provides a table that lists operators and corresponding precedence and an example of how operator precedence works.
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