These facilities could be the “playground” for graduate students, research scientists and engineers to carry out the necessary trial-and-error tests before a fully functional farm emerged.

这些模型可以作为研究生、相关领域科学家和工程师开展试错检测的“练兵场”，之后再推广功能完善的农场。

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Download the fully functional trial version to see how the billing software works for you.

下载功能齐全的试用版，看看如何结算软件工程给你。

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Systemic functional analysis of English public speaking is a relatively new trial in various kinds of discourse analysis.

在众多语言分析类别中，用系统功能语法来研究英语公众演说是一项比较新颖的尝试。

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