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major meteorological factor
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  主导气象因子
     The second decade in August was the complex key-climatic stage which had influence on the formation of protein and its major meteorological factor was temperature.
     影响蛋白质形成的综合气候关键期是8月中旬,主导气象因子是温度;
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  “major meteorological factor”译为未确定词的双语例句
     At the same time,such major meteorological factor as solar radiation,atmospheric temperature,relative humidity and wind velocity were monitored with an automatic meteorological station.
     并用自动气象站对太阳辐射、空气温度、相对湿度、风速等主要气象因子进行同步监测.
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  相似匹配句对
     At the meteorological
     在一气象观测场对空气中含有的微生物量进行了观测。
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     MAJOR METEOROLOGICAL DISASTERS AND ITS IMPACTS IN CHINA IN 1990
     1990年我国主要气象灾害及影响
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     Agricultural meteorological disasters are the major factor that affected agriculture.
     农业气象灾害是造成农业生产不稳定的主要因素之一。
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     REVIEW OF GLOBAL MAJOR METEOROLOGICAL DISASTER SINCE 1980s
     80年代以来全球重大气象灾害评述
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     Major results are:
     主要研究结果如下:
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  major meteorological factor
Rainfall outdoors may be a major meteorological factor affecting plant injury response to gaseous pollutants.
      


By using the statistical methods of simple and partial correlation, progressive and integral regression, the relationship between the yearly yield per mu of winter wheat and the local meteorological factors including precipitation, temperature and illumination of thirty years(1954—1983) in Xinxiang Region, were studied. The result shows that the total value of the three major meteorological factors during the whole growing period of winter wheat in this region can generally meet the need of...

By using the statistical methods of simple and partial correlation, progressive and integral regression, the relationship between the yearly yield per mu of winter wheat and the local meteorological factors including precipitation, temperature and illumination of thirty years(1954—1983) in Xinxiang Region, were studied. The result shows that the total value of the three major meteorological factors during the whole growing period of winter wheat in this region can generally meet the need of the growth of winter wheat, and the relati- On between supply and demand of the meteorological factors studied is suitable for the growth and development of the winter wheat in most growth stages. The key meteorological elements that cause the yield fluctuation of winter wheat in this region are the temperature in May, the precipitation in Dec., Feb. and May. There is a relatively low probability of reaching the level necessary for high wheat yield, but their effect on the yield of winter wheat varies in good and poor year. Accorcdng to the analysis of the results, some cultivation measures of winter wheat in this region have been suggested.

本文采用简单相关、偏相关、逐步回归和积分回归等统计学分析方法,对新乡地区三十年(1954~1983)冬小麦单产与当地水、温、光等气象要素的关系进行了研究。结果表明,该区冬小麦全生育期内的水、温、光三要素总值基本能满足冬小麦生长发育的需要,且各气象要素在绝大多数时段内与冬小麦生长发育的供求关系比较适宜。影响该区冬小麦产量波动的主要气象因素是五月份温度,十二月、二月和五月份降水,它们的丰产出现概率均较低,但是,它们对冬小麦产量影响大小在丰,欠年存在着一定差异。根据上述研究结果,对该区冬小麦栽培管理措施提出了建议。

The results of two years systematic sampling from 1985 to 1986 in the vegetable fields of a Hangzhou suburb showed that, Trichogramma confusum Viggiani is a major natural enemy of the melon worm, Dia- phania indica Saunders. During later August,September and October each year, the eggs of D. indica were heavily parasitized by this wasp, and the rates of parasitization at their peaks reached nearly 100% for periods of more than ten days. It was apparent that the parasite exerted substantial control on the abundance...

The results of two years systematic sampling from 1985 to 1986 in the vegetable fields of a Hangzhou suburb showed that, Trichogramma confusum Viggiani is a major natural enemy of the melon worm, Dia- phania indica Saunders. During later August,September and October each year, the eggs of D. indica were heavily parasitized by this wasp, and the rates of parasitization at their peaks reached nearly 100% for periods of more than ten days. It was apparent that the parasite exerted substantial control on the abundance of the melon worm. Laboratory experiments revealled that temperatures lower than 17℃ or higher than 30℃ were unfavourable to the survival and reproduction of the wasp.An analysis based on both field and laboratory data indicated that temperature is the major meteorological factor determining the abundance and rates of parasitization of T. confusum in the field. Thus, the authors suggest that particular attention should be paid to conserve and augment the natural control of this wasp on the melon worm under these weather conditions.The relationships between temperature and rate of development in T. confusum were carefully investigated and are discussed in some detail in the paper.

在杭州市郊菜地上连续两年的系统调查结果表明,拟澳洲赤眼蜂是瓜螟的主要寄生性天敌。每年8—10月,瓜螟卵常被大量寄生,被寄生率高时可连续10天以上均接近100%,对瓜螟的发生为害有明显的抑制作用。室内试验结果表明,温度低于17℃或高于30℃对该蜂生存繁殖不利。结合田间和室内数据进行综合分析,初步认为温度是影响该蜂田间发生的主要气候因子,适宜的温度范围约为日均温17—28℃。因此作者建议,在这种天气条件下要特别注意发挥该蜂对瓜螟的自然控制作用。本文还就拟澳洲赤眼蜂发育速率与温度的关系进行了较详细的研究和讨论。

Flowers of soybean were emasculated at 5-6 pm. The following morning at 7 am pollen was gathered and the emasculated flowers were pollinated. All work performed by a single person at the same location using the same cross. The crossing success rate and meteorological factors were analysed by stepwise regression statistical method. Crossing success rate was affected by major meteorological factors which include the following temperature at pollination (8am), relative humidity at 8 pm after emasculating...

Flowers of soybean were emasculated at 5-6 pm. The following morning at 7 am pollen was gathered and the emasculated flowers were pollinated. All work performed by a single person at the same location using the same cross. The crossing success rate and meteorological factors were analysed by stepwise regression statistical method. Crossing success rate was affected by major meteorological factors which include the following temperature at pollination (8am), relative humidity at 8 pm after emasculating and number of hours of sunshine on day of pollination. The optimum temperature for pollination was 23. 8℃; optimum relative humidity for emasculation was 55% and optimum hours of sunshine were 3. 18 h on the day of pollination. In this area, the high temperature at 8 am, the high humidity at 8 pm and excessive hours of suneshine were limiting factors which affected crossing successrate.

在大豆开花期内,同一杂交者于同一地点,用同一组合,在每天20时去雄,次晨8时授粉。用杂交成活率及气象因子进行逐步回归统计分析,证明8时授粉时温度,20时去雄后相对湿度及授粉之日日照时数是影响杂交成活率的主要气象因子。其最适指标是8时23.8℃温度,20时55%相对湿度及授粉之日3.18小时日照。本地区大豆开花期8时高温,20时高湿及日照过多是影响杂交成活率的限制因子。

 
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