DESIGN: a completely randomized experiment with self-control and mutual control.
设计：完全随机设计，自身及组间对照。
The effects of corn particle size on digestive tract development of young dairy goats were investigated studied by a single-factor completely randomized experiment.
试验采用单因素完全随机试验设计，研究不同玉米粒度对青年奶山羊胃肠道发育的影响。
The effects of corn particle size on digestive tract development of young dairy goats were investigated studied by a single-factor completely randomized experiment.
试验采用单因素完全随机试验设计，研究不同玉米粒度对青年奶山羊胃肠道发育的影响。
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