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The study, which aimed at 100 heads of breeding cattle marketed per annual and which object was the grazing for the flock of shorthorn beef cattle on sown pasture in the ZYCBC system, indicated that by making full use of pasture growth quantity and nutrient substance on sown pasture and supplementing mixed concentrate in late of breeding cow pregnancy, the number of beef cattle grazed in the while year had get to 375 heads, for the forage was budgeted and dynamic balance between the forage and beef cattle was gained and kept. It needed 642. 67t DM of forage annually in the system, 764t DM of which was provided by the sown pasture and 339t DM of which by forage crop land.

以ZYCBC系统短角肉牛群人工草地放牧饲养为对象,以年出栏100头种牛为目标,进行饲草预算和草畜动态平衡,充分利用人工草地的牧草生长量和营养物质,母牛怀孕后期适当补饲混合精料,全年牛群饲养量达375头,系统全年共需饲草642.67tDM,其中人工草地提供764tDM,饲料地提供339tDM。

Topographically, they are mainly along the south of the mountains, namely windward slopes and the areas in front of the mountains.

全省全年及前后汛期持续性暴雨次数的年代际变化相似;但从年际变化看,前汛期与全年发生持续性暴雨次数呈正相关关系,而后汛期与之则呈现一定的反相关关系。

By analyzing and determining the annual probability distribution parameters in simplified double wave model for annual dry bulb temperature ,this paper creates the truncated normal distribution model to make the application more precise.

通过对全年干球温度概率分布的双波简化模型中的分布参数的分析和确定,建立了全年干球温度的截尾正态分布模型,使该模型可更为方便准确地应用于暖通空调与建筑节能的设计和分析

In flood season, obvious variation of dominant species seemed influenced mainly by temporal change of hydrodynamics. Water temperature was positively related to the abundance of Cyanophyta, but negatively to that of Bacillariophyta.

汤溪水库全年水体较稳定,在全年范刚内水动力学对浮游植物群落季节变化没有明显影响,但丰水期5月份至7月份优势种的变化可能主要受水动力学的影响。

Ecological characteristics:Seedlings of the tree grow vigorously in the spring with maximum height incensement in early May and a simulated growth of sigmoid shape during the growing season.

生态学特性,彰武松是属于春季生长类型的树种,其苗高累计生长呈S型曲线,全年最大生长量出现在5月上中旬;地径开始生长比高生长晚10d左右,全年出现两次生长,其中以春季生长为主;主根的生长和地径的生长交错进行,和苗高生长基本同步。

objective in order to investigate the variety of the airborne fungi in jingzhou area and study the relationships between airborne fungi and allergic diseases.methods we surveyed the fungi sensitizing of air in jingzhou city from feb.1th,2007 to jau.31th,2008 to quantitatively observe the daily airborne fungi and count under microscope through one year.results the fungi spores were present through all year.more than 20 taxa of airborne fungi have been collected,among which the most common fungi were uredinales,ustilaginales,alternaria,etc.fungi spores were ralated with the season and weather,the most aboudant period in sring and summer.conclusion the airborne fungi were seen one year and were mostly allergenic.many of then had seasonal distribution.

目的:调查荆州市气传真菌的种类、数量变化及飘散规律,了解优势菌群与过敏性疾病的关系,为荆州市空气真菌过敏症的防治提供参考。方法:2007年2月1日至2008年1月31日,在荆州市设曝片点,每日换片,收集全年气传真菌样品,在显微镜下统计,定量获得每天及全年的真菌数量。结果:全年均可见真菌孢子,共收集真菌种类20多种,其中最常见的有链格孢、锈菌、黑粉菌等,其数量和季节、气候有关,以春季、夏季最多,秋季和冬季依次降低。结论:气传真菌全年均有分布并具有较强的致敏性,部分真菌具有明显的季节性变化。

Through the topographical survey, literature research and analysis of the remote sensing images, we shall emphasize on the five factors of water conservancy, water flow, streams, water retaining and water utilization in the upper reaches of the river, which are interacted and interplayed.

研究结果表明,漓江为雨源性河流,降雨时空分配极不均匀,70%的降雨量集中在漓江上游区域,全年62.7%降雨量和降雨时间集中在四个月内(即4~7月),最大的日降雨量可达415.8mm;降雨量最小的月份出现在12月至翌年1月,仅100~110mm,占全年降雨量的6%左右,由此直接影响流域河川径流季节性的变化,造成洪水期和枯水期现象,周期性水量的变化是不为人们意志改变的一种自然规律。

Since yesterday Federer has been realizing that his way to the Grand Slam is much more complicated because, in the tournament which is the hardest and at the same time the trickiest for him - Roland Garros -, he will have to face the Spaniard who, on clay, is more prodigious than him.

如果全年的赛事在红土举行世界第1当然是纳达尔,因为从05赛季以来西班牙小子已经保持红土42场不败,同样的道理如果全年比赛在草地或者硬地举行世界第1肯定是费德勒,温网已经三连冠的奶牛在草地2-3年内将几乎没有对手。

Volume of Gas Supply refers to the total volume of gas provided to users by gas-producing enterprises in a year, including the volume sold and the volume lost.

全年供气总量指全年燃气企业向用户供应的燃气数量。包括销售量和损失量。

There were no obvious differences in the horizontal distributions among each periphytic algae genuses. 4. To some extent, there were some differences in the vertical distributions In the year, 30 genuses were found at 0.5m water depth, 35 in 1/2SD, 34 in 1SD, 21 in 2SD, 19 in 3SD.

周丛藻类各属的垂直分布存在一定的差异,具体如下:0.5m处全年共出现34属,占全年所出现总属数的97.1%;1/2SD处出现35属,占100%;1SD处出现30属,占85.7%:2SD处出现31属,占88.6%;3SD处出现19属,占54.3%。

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推荐网络例句

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州,并在2005年伊瓦尔街,公寓生活。

Droperidol ( potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道,可能是 QT 间期延长的机制。

The Nazi's cruel treatment of the Jews during the Second World War is beneath contempt .

二战期间纳粹对犹太人的暴行极其可鄙。