retaining variety 中文意思是什麼
retaining variety
解釋
保留品種-
According to the planting and growing situations of guava in the mountain land of changtai county, from the aspects of variety characteristic, garden land selection, site preparation, application, field planting, top application, pruning and retaining fruits, pest control, protecting the fruit with putting covers over it, plucking and packing, and so on, this paper summarized the high - yield cultural technology of guava in the mountain land, and raised the proceedings should be noticed during the planting and producing
摘要根據珍珠番石榴在長泰縣山地種植生產情況，從品種特徵、園地選擇、整地、施肥、定植、施追肥、修剪留果、病蟲害防治、套袋護果、採收包裝等方面總結了珍珠番石榴在山地的高產栽培技術，並提出種植生產中應注意的事項。 -
Further, solid carbon can be obtained from a variety of natural resources with large enough reserves and with a high exergy retaining ratio
另外，碳燃料來源廣泛，生產純碳的過程往往比生產純氫的過程有效能保持率高。
分享友人