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极端最低温度    
相关语句
  extreme minimum temperature
    Meanwhile,it increased the annual average minimum temperature and the annual average extreme minimum temperature of the ground surface by1.2~1.4℃ and 7.9~8.0℃.
    使年平均最低温度上升1.2~1.4℃,年极端最低温度上升7.9~8.0℃;
短句来源
    The temperature of extreme minimum temperature events at night was significantly positive trend and the trends in the southern china were stronger than that in the northern china.
    夜间极端最低温度的增加也是很明显的,并且南方地区的升温要比北方地区显著。
短句来源
    A geographic information system for suitable producing area evaluation of Traditional Chinese Medicine (TCMGIS-Ⅰ) was established based on GIS platform,which is supported by three database:grid climate database (1km~2) with average temperature,relative humidity,precipitation amount,sunshine duration,extreme maximum tem- perature,extreme minimum temperature; state soil database (1:4,000,000); state basal background geographic infor- mation database (1:1,000,000).
    依托地理信息系统(GIS)平台,以气温、相对湿度、降水量、日照时数、极端最低温度、极端最高温度的1km~2的栅格气候数据库以及1:4000000的土壤数据库,并以1:1000000的基础地理信息数据为基础,利用聚类分析和空间分析技术,建立了《中药材产地适宜性分析地理信息系统》(TCMGIS-Ⅰ)。
短句来源
  extreme lowest temperature
    Analysis of typical relativity showed that each meteorological factor is positively correlated with the change of tissue structure in tea leaf, among these meteorological factors, the most important factors on tea variation are annual rainfall and the extreme lowest temperature, followed by average annual temperature , frost-free period and sunshine hour, January average annual temperature in January showed little influence on it.
    经典型相关分析,各气象因子与叶片组织结构变化呈正相关性,以年降雨量和极端最低温度对茶树变异影响最大,其次是年平均温度、无霜期和日照时数,1月份年均气温对叶片结构变化影响不大。
短句来源
  extreme minimum temperature
    Meanwhile,it increased the annual average minimum temperature and the annual average extreme minimum temperature of the ground surface by1.2~1.4℃ and 7.9~8.0℃.
    使年平均最低温度上升1.2~1.4℃,年极端最低温度上升7.9~8.0℃;
短句来源
    The temperature of extreme minimum temperature events at night was significantly positive trend and the trends in the southern china were stronger than that in the northern china.
    夜间极端最低温度的增加也是很明显的,并且南方地区的升温要比北方地区显著。
短句来源
    A geographic information system for suitable producing area evaluation of Traditional Chinese Medicine (TCMGIS-Ⅰ) was established based on GIS platform,which is supported by three database:grid climate database (1km~2) with average temperature,relative humidity,precipitation amount,sunshine duration,extreme maximum tem- perature,extreme minimum temperature; state soil database (1:4,000,000); state basal background geographic infor- mation database (1:1,000,000).
    依托地理信息系统(GIS)平台,以气温、相对湿度、降水量、日照时数、极端最低温度、极端最高温度的1km~2的栅格气候数据库以及1:4000000的土壤数据库,并以1:1000000的基础地理信息数据为基础,利用聚类分析和空间分析技术,建立了《中药材产地适宜性分析地理信息系统》(TCMGIS-Ⅰ)。
短句来源
  extreme minimum temperature
    Meanwhile,it increased the annual average minimum temperature and the annual average extreme minimum temperature of the ground surface by1.2~1.4℃ and 7.9~8.0℃.
    使年平均最低温度上升1.2~1.4℃,年极端最低温度上升7.9~8.0℃;
短句来源
    The temperature of extreme minimum temperature events at night was significantly positive trend and the trends in the southern china were stronger than that in the northern china.
    夜间极端最低温度的增加也是很明显的,并且南方地区的升温要比北方地区显著。
短句来源
    A geographic information system for suitable producing area evaluation of Traditional Chinese Medicine (TCMGIS-Ⅰ) was established based on GIS platform,which is supported by three database:grid climate database (1km~2) with average temperature,relative humidity,precipitation amount,sunshine duration,extreme maximum tem- perature,extreme minimum temperature; state soil database (1:4,000,000); state basal background geographic infor- mation database (1:1,000,000).
    依托地理信息系统(GIS)平台,以气温、相对湿度、降水量、日照时数、极端最低温度、极端最高温度的1km~2的栅格气候数据库以及1:4000000的土壤数据库,并以1:1000000的基础地理信息数据为基础,利用聚类分析和空间分析技术,建立了《中药材产地适宜性分析地理信息系统》(TCMGIS-Ⅰ)。
短句来源

 

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  extreme minimum temperature
The tool uses static data layers that include extreme minimum temperature, moisture to precipitation ratio, growing degree days and land use.
      


This paper studies the correlation between the growth in length and thickness of three puplar clones and the local climatic factor [combinations. Results of tests showed that the leading ecological factors giving rise to the variation of growth are ths annual average temperature, minimum temperature, accumulated temperature (≥10°C), cold index, annual precipitation and frost-free period. By means of successive regression, the optimum equations worked out for growth of the clones are as followes: 1nYH=4.122007-0.374162X1-0.120849x3+0.08949lX8...

This paper studies the correlation between the growth in length and thickness of three puplar clones and the local climatic factor [combinations. Results of tests showed that the leading ecological factors giving rise to the variation of growth are ths annual average temperature, minimum temperature, accumulated temperature (≥10°C), cold index, annual precipitation and frost-free period. By means of successive regression, the optimum equations worked out for growth of the clones are as followes: 1nYH=4.122007-0.374162X1-0.120849x3+0.08949lX8 + 0.000963X9+0.007288X20 (Ry12m=0.93, F=13.57, I-69/55) 1nYH=1.564302-0.172733X3+0.013341Xe-0.021414X7

应用逐步回归方法,通过电子计算机分析南方型杨树三个无性系的树高和胸径生长量与当地21个组合气象因子的相关性。结果表明,引起生长差异的主导生态因子为年平均温度(x_1),极端最低温度(x_3),寒冷指数(x_8),日均温≥10℃积温(x_9),年降水量(x_(10))和无霜期(x_(14))。经逐步回归组建的最佳方程如下: lnY_H=4.12201-0.37742x_1-0.12085x_3+0.08949x_8+0.00096x_9 +0.00729x_(20) (R_(y12m)=0.93,F=13.57,I-69/55) lnY_H=1.56430-0.17273x_3 + 0.01334x_6-0.02141x_7 + 0.054196x_8 +0.00103x_9+0.00075x_(10)-0.00453x_(14) (R_(y12m)=0.95,F=10.19,I-72/58) 以此为依据,运用模糊数学方法,计算46个站的六个气候要素与固定样本(湖南汉寿)之间的相似程度。最后按和数值“S”的大小,结合南方型杨树的生态学特性,划出3类适宜引种区和1个不适宜引种区。

In this paper,that negative accumulated temperature lower than or equal to-90℃ and extremly minimum temperature lower than or equal to-8℃ are taken as the freezing injury index to citrus of hibernation in the middle and lower reaches of the Changjiang River. The periodicity of freezing injury of citrus is analysed by use of power spectral method, analysis of variance and harmonic analysis in this area.The simulating results achieved from the power spectral method are similar to the practice in production. The...

In this paper,that negative accumulated temperature lower than or equal to-90℃ and extremly minimum temperature lower than or equal to-8℃ are taken as the freezing injury index to citrus of hibernation in the middle and lower reaches of the Changjiang River. The periodicity of freezing injury of citrus is analysed by use of power spectral method, analysis of variance and harmonic analysis in this area.The simulating results achieved from the power spectral method are similar to the practice in production. The tendency in periodicity for freezing injury of citrus could be shown by variance analysis.While the periodicity for freezing injury of citrus is not able to be obtained using the harmonic analysis alone.The quasi-ten-year periodicities for freezing injury of citrus dominate over this area.

本文选择≤-90℃的负积温和极端最低温度≤-8℃,作为长江中下游地区柑桔越冬期间冻害指标,利用功率谱、方差分析、谐波分析三种方法,对长江中下游地区柑桔冻害周期进行研究。结果表明,功率谱计算结果与生产实际相吻合,方差分析可反映冻害周期趋势,谐波分析不宜单独进行柑桔冻害研究。长江中下游地区柑桔冻害存在准10年周期。

During 1990~1991,temperature and humidity in the natural braod-leaved avergreen forest were measured in the scenic spot of Hangzhou and were compared with the data in the same period from Hangzhou Meteorolo-gical Station.The results showed that this kind forest had the most remark-able effect on the ground surface temperature within the forest.The forest decreased the annual everage temperature,the annual average maximum temperature and the annual average extreme maximum temperature of theground surface by...

During 1990~1991,temperature and humidity in the natural braod-leaved avergreen forest were measured in the scenic spot of Hangzhou and were compared with the data in the same period from Hangzhou Meteorolo-gical Station.The results showed that this kind forest had the most remark-able effect on the ground surface temperature within the forest.The forest decreased the annual everage temperature,the annual average maximum temperature and the annual average extreme maximum temperature of theground surface by 2.6~3.3℃,12.1~13.2℃,and 25.3~29.4℃ respectively.Meanwhile,it increased the annual average minimum temperature and the annual average extreme minimum temperature of the ground surface by1.2~1.4℃ and 7.9~8.0℃.The daily range of the surface temperature inthe forest was lower than that in the urban district of Hangzhou.The foresthad a noticeable effect on the soil temperature below the ground surface,and it could lower the annual average temperature by 2.0~3.0℃.The mostobvious decrease of the surface temperature and the soil temperature appearedat 14: 00 in summer, and in winter, there was an increase of the temperaturein the forest to a certain extent. Air temperature changes in the forest hadthe same tendency with those of the soil temperature,but fluctuated withina narrow range. Annual average absolute humidity and relative humidity ofground layer in the forest were higher than those in the urban district ofHangzhou by 0.5~0. 6 hPa and 7%~8%,and the effect of increasing humidityoccurred most obviously at 14:00。

1990~1991年,观测了杭州风景区天然常绿阔叶林内的温度和湿度,并以此与杭州市气象台的同期气象资料进行对比分析。其结果表明:天然常绿阔叶林对林内地表温度的调节效应最为显著,林内年平均温度比市区下降2.6~3.3℃,年平均最高温度下降12.1~13.2℃,年极端最高温度下降25.3~29.4℃;使年平均最低温度上升1.2~1.4℃,年极端最低温度上升7.9~8.0℃;使平均日较差下降13.3~14.6℃。对林内5~20cm深度地中温度的调节作用也甚为明显,可使年平均温度比市区下降2.0~3.0℃。对地表、地中温度的降温效应都以盛夏午后14:00前后最为显著,在严冬季节具有一定的增温效应。对林内近地层气温的调节趋势与地温基本一致,但调温幅度比地温小。可使林内近地层空气的年平均绝对湿度比市区提高0.5~0.6hPa,年平均相对湿度上升7%~8%,且都以午后14:00前后增湿最为明显。

 
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