作物系数的英文
发音:
"作物系数"怎么读用"作物系数"造句
英文翻译手机版
- crop factor
- "作物"英文翻译 crop
- "系数"英文翻译 coefficient; ratio; modulus; ...
- "废物系数" 英文翻译 : coefficient of waste
- "食物系数" 英文翻译 : food coefficient
- "散发污染物系数" 英文翻译 : emission factor
- "物系" 英文翻译 : system
- "作物管理系数" 英文翻译 : cropping management factor
- "作物系统和全球变化实验室" 英文翻译 : crosystems & global change
- "作物" 英文翻译 : crop 夏收作物 summer crop; 油料作物 oil-bearing crop; 作物改良 crop improvement; 作物区 crop belts; 作物栽培 arable farming
- "生物系" 英文翻译 : biology dept; department of biology
- "药物系" 英文翻译 : department of pharmacy
- "植物系" 英文翻译 : department of botany
- "氨溶物系" 英文翻译 : ammonia system
- "宠物系列" 英文翻译 : koinu to issho aijou onogatari
- "单变物系" 英文翻译 : univariant phase system; univariant system
- "二元物系" 英文翻译 : two-component system
- "分散物系" 英文翻译 : disperseion system; dispersion system disperse system
- "购物系统" 英文翻译 : bjxshop
- "化合物系" 英文翻译 : series of compounds
- "化合物系统" 英文翻译 : system of compounds
- "化学物系" 英文翻译 : chemical system
- "货物系统" 英文翻译 : cargo system
- "将某物系牢" 英文翻译 : lash sth down tie sth securely in position with ropes etc
- "将某物系在" 英文翻译 : e5tatf etatf
- "胶态物系" 英文翻译 : colloid system; colloidal system; colloidalsystem
例句与用法
- The relationship established between kc and meteorological data indicated that crop coefficient ( kc ) increases as wind speed increases , or net radiation or relative humidity declines
作物系数和气象资料的线性拟合关系表明,作物系数随风速和冠层净辐射的增大而减小,随相对湿度的增大而增大。 - Including irrigation time , frequency , and quantity of water , of which based on the evapotranspiration rate and crop coefficients in different months and the rank of visual appearance of different date
根据草坪质量与土壤含水量、土壤水势的相关性及作物系数、蒸发量等参数,准确计量其灌水时间、灌水量和灌水频率。 - Drip irrigation under mul : h is a new irrigation method , as utiliz e the advance of drip irrigation and plastic film cultivation technique . the conditions influenced crop water requirement are changed in drip irrigation under mulch , thus crop water requirement pattern is different from conventional irrigation forms . it is very useful to research field mulched crops water requirement pattern watering with drip irrigation
膜下滴灌是地膜栽培与普通地表滴灌相结合的产物,在地膜覆盖和滴灌的综合效应下,作物的生长与在常规条件下不同,因此影响作物需水量的一些基本条件都发生了变化,对于膜下滴灌作物需水量和作物系数还需要做进一步研究。 - ( 5 ) the synthetic draft curve was conducted by crop coefficient and relative soil moisture . the correlation in crop coefficient and relative water content takes on uniform trend comparing to the soil water deficient degree . in the whole growth season of cotton , the high correlation coefficient occurred in the period of seeding , which was declined in the period of blooming and flowering , whereas it was raised in the late period of cotton
( 5 )综合作物系数与相对含水率拟合关系表明,作物系数与含水率的相关性与土壤受旱的情况呈现相同的趋势,苗期的相关系数高,而到了蕾期偏低,花铃期更低,到了吐絮期有所升高,整体上表现为水分状况良好,相关性就越高。 - ( 4 ) in 2001 , the average daily et of cotton in the whole growth season is 1 . 75mm / d , the total et is 307 . 48mm , and the average crop coefficient ( kc ) is 0 . 39 under deficient irrigation . in 2002 , the average daily et of cotton in whole growth season is 1 . 94mm , the total et is 337 . 04mm , and the average crop coefficient ( kc ) is 0 . 43 under sufficient irrigation
( 4 ) 2001年胁迫供水情况下,在整个生育期棉花的蒸发蒸腾量为307 . 48mm ,平均日耗水强度为1 . 75mm ,作物系数平均值为0 . 39 ; 2002年充分供水情况下,在整个生育期内棉花的蒸发蒸腾量为337 . 04mm ,平均日耗水强度为1 . 94mm ,作物系数平均值为0 . 43 。 - In the fourth part , the field irrigated water requirement were gotten based on the recommended irrigation schedules and irrigated areas often crops . in this paper , the reference evapotranspition et0 in three counties in bid was computed by penman - monteith method and the crop coefficients , kc of ten crops by kcisa model and the crop water requirements , etc , were computed simply by kc et0 . meanwhile , four representative years by frequency analysis are gotten according to net irrigation requirements and planted areas of different crops in bojili irrigation district
本文首先采用fao最新推荐的penman - monteith方法计算灌区的参照腾发量et _ 0 ,用kcisa按照fao的计算方法推求十种作物的作物系数k _ c ;由此基础上计算出作物需水量et _ c ,根据结果分析了不同作物的需水规律;同时用作物缺水量nir (净灌溉需水量)进行频率计算,求出了灌区的四个代表年,并分析了代表年年内自然水分状况和作物缺水规律。
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