墒
- 与 墒 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Conditional information entropy was used to compute relevance of attributes and it was used in fitness function to assure reduction has fewer attributes and relevance of attributes.
利用条件墒计算属性问的相关性,并将其引入到适值函数中,可以保证所求约简含有较少的属性而且属性间的相关性较小。
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It was found: 1 The film restrained evaporation surface intensity and had obvious function of rising and keeping moisture, 2The drip irrigation could supply water according to growing requirement and augment of water conflux intensity around crop root, it also had strongly controllable operation and wasted fewer water.
覆膜抑制了土壤表面的蒸发面汇,具有明显的提墒保墒作用,滴灌能随时根据作物生长需要及作物根系汇流强度的增大而补充汇流源,可控性很强,水的浪费率很低。
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Using the technique of ridge film mulching and furrow seeding in western Liaoning can improve the utilization ratio of natural precipitation to prohibit soil water evaporation, conserver soil water and increase yield of corn.
在辽西风沙半干旱雨养农业区采用垄膜沟种技术,可有效提高自然降水利用率,达到保水增墒、减少无效蒸发,提高玉米产量的作用。
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Using the technique of ridge film mulching and furrow seeding in western Liaoning can improve the Utilization Ratio of natural precipitation to prohibit soil water evaporation, conserver soil moisture and increase yield of corn.
在辽西风沙半干旱雨养农业区采用垄膜沟种种植技术,可有效提高自然降水利用率,达到保水增墒、减少无效蒸发,提高玉米产量的作用。
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In the research, 28 characters including energy, informationization measure, fractal dimension, hue, cb, color moment, disease spot area, rotundity, figure factor, and others were extracted, and four approximate features were selected from 28 primordial features. The results indicated that the precision of the three kinds of maize disease recognition was higher than 90%.
研究中提取了墒、相关信息测度、分形维数、H值、Cb值、颜色矩、病斑面积、圆度、形状因子等28个特征向量,利用遗传算法优选出H值、颜色矩、病斑面积、形状因子等4个独立、稳定性好、分类能力强的特征向量,应用费歇尔判别分析法识别病害,准确率达到90%以上。
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The effect of the soil moisture by planting of white clover had a little water preserving capacity, the conflict of Trifolium repens L.
对土壤水分的影响,种植白三叶草有稍微的提墒作用,它与银杏树争水的矛盾较小,不会对银杏树生长构成大的影响。
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The appearance of electronic conductivity makes the ionic transference number is smaller than unity. Therefore the corresponding mole entropy of oxygen ions decreases with the oxygen partial pressure.
由于电子空穴和电子电导的出现,使得氧离子的迁移率小于1,由此计算出的氧离子迁移的部分摩尔墒随氧分压的减小而减小。
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The present thesis construct the boundary model on carburettors which is based on themethod of characteristics. The IEM computer program for computing the wave action and ex-change gas process of the gas oline engine is accomplished by using the method of characteristics.
建立用特征线计算的代油器边界模型,利用非等墒特征线理论编制了可计算汽油机进气管内的压力波动及换气过程的计算机程序IEM,并用该程序对BJ492QA汽油机进行了计算,计算与实测的压力波曲线吻合良好,表明了该化油器边界模型及IEM的合理性。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力