I'm working in water irrigation again, this time as a project research assistant.

我又在水利灌溉方面工作了，这次是作为项目研究助理。

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I'm a graduate student. I'm a research assistant. I also teach part-time.

我是研究生。我是研究助理。我有时也兼课。

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The full-time research workers are in different academic ranks: research fellow, associate research fellow, assistant research fellow and probationer.

专职科研人员具有不同的技术职称：研究员、副研究员、助理研究员和研究实习员。

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