The overall design plan of the CAD system is put forward based on structure features of farm machine panel die.
根据农机覆盖件模具的结构特点,提出了CAD系统的总体设计方案。
rough reduction
地面有机覆盖物的清除
Effect of Different Organic Mulches to Soil Water Evaporation
不同有机覆盖物对土壤水分蒸发的影响
having a hardened crust as a covering.
有硬壳作为覆盖物的。
not supplied with a cover or covering.
没有提供盖子或覆盖物的。
The transparent enclosure over the cockpit of an aircraft.
驾驶舱盖，座舱盖飞机驾驶室顶部的透明覆盖物
Material overlying a useful mineral deposit.
覆盖层，超覆层覆盖在有价值的矿石沉积物之上的物质
a small drum with two heads and a snare stretched across the lower head.
带有两个盖的并且底盖是由网状物覆盖的小鼓。
A structure housing machinery on the roof of a building.
机房建筑物顶部用以覆盖机器的结构
Utilization of Residual N by Crops and Organic N in Surface-Mulched Soil on Dryland of North-Western China;
西北旱地残留氮的作物利用及覆盖土壤有机氮研究
Study on Above-ground Biomass of Degenerated Bamboo Forest of Phyllostachys proecox with Covering Organic Material
林地有机材料覆盖退化雷竹林地上部分生物量研究
Effects of Conservation Tillage with Straw Cover or Straw Standing on the Soil Microbial Biomass Carbon and Organic Matter
留茬覆盖免耕保护性耕作对土壤微生物量碳和有机质含量的影响
Are there living things below the covering clouds of Venus ?
覆盖着金星的云层下面有没有生物？
overlaid or spread or topped with or enclosed within something; sometimes used as a combining form.
遮盖、覆盖、戴着或包围某物的；有时用作构词成分。
"an object having such a coating, as in a piece of cloisonne."
"有这种覆盖层的物品,如在景泰蓝上."
not having a coating of stain or varnish.
没有污渍或油漆的覆盖物的。
Land having a cover of trees and shrubs.
林地有树和灌木作覆盖物的土地
led a vacuous life.Something that is bare lacks surface covering(
过着空虚的生活。表示没有覆盖物(
The Decomposition and Accumulation of Soil Organic Matter under Film Mulching
地膜覆盖下土壤有机质的分解与积累