Appropriate stocking density and better feed management must be applied to improve the productivity performance of tiger grouper farming.
适当的放养密度与较好的饲育管理必定会有效提升饲育生产力的表现。
Appropriate increase of wheat planting density could lead to increase of WUE in dryland as well.
适当增加小麦种植密度有利于提高旱地水分生产效率。
The composite green body is characterized by sufficient strength for demoulding, high density homogeneity, appropriate porosity and little dimensional change rate.
坯体具有足够的脱模强度、较高的密度均匀性和合适的孔隙率以及尺寸变化率小等特点。
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