The laws and characteristics of three development stages were analysed and compared.
分析比较了三个发育阶段银杏叶片光合作用的特性及规律。
He applied phosphate fertilizer in nutrient solution at two levels and at three stages of development.
他在营养液中分两个用量三个发育阶段施入磷肥。
The new product development flow in the Coco Palm Group consists of three stages and two relation flows.
椰树公司新产品开发流程分三个阶段,二个关系流程。
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