This research uses "quasi-experimental design".
本研究采用「准实验设计」。
This research USES methods such as questionaire, experiment, etc.
本研究采用了问卷法、实验法等方法。
This research USES dicyandiamide as firming agent in epoxy powder coating and sodium fluoride as additive in epoxy.
采用磷酸双氰胺盐作环氧粉末涂料的固化剂、氟化钠作添加剂。
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