mapping between the operation space and pattern space
手术空间与图像空间映射
separating dry space from moist space
干湿分离
Furrow planting and ridge planting
沟播与垄作
″Vertical-Horizontal″ Wide Range
纵横向拉开档次法
4 Wide Grooves
四宽槽
A bulk carrier of 26000 dwts capacity with seven holds and of single deck construction ideal for world wide tramp operation especially bulk grain shipments with a speed of 15 knots
一艘载重26 000吨
A bulk carrier of 30000 dwts capacity with five holds and of single deck construction ideal for world wide tramp cargo operation with a speed of 15 knots