采用播期和播量二因素三水平随机试验设计，研究了水稻秧龄和播量在抗逆方面的作用。

Resistance of rice on seedling age and quantity was experimented with based on the design of two factors (seeding time and quantity) and tree levels.

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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.

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对不同品种脱毒试管苗的苗高、茎粗、叶片数、根数、根长等植物学性状采用二因素完全随机试验设计。

Seedling height, stem thick, number of leaves, number of roots, and length of roots were studied by means of double-factor complete random design.

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