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The spatial-temporal distribution of NPP along NECT and its response to climatic change were also analyzed. Results showed that the change tendency of NPP spatial distribution in NECT is quite similar to that of precipitation and their spatial correlation coefficient is up to 0.84 (P.01). The inter-annual variation of NPP in NECT is mainly affected by the change of the aestival NPP every year, which accounts for 67.6% of the inter-annual increase in NPP and their spatial correlation coefficient is 0.95 (P.01). The NPP in NECT is mainly cumulated between May and September, which accounts for 89.8% of the annual NPP. The NPP in summer accounts for 65.9% of the annual NPP and is the lowest in winter. Recent climate changes have enhanced plant growth in NECT. The mean NPP increased 14.3% from 1980s to 1990s. The inter-annual linear trend of NPP is 4.6 gCm^(-2)a^(-1), and the relative trend is 1.17%, which owns mainly to the increasing temperature.
结果表明:(1)NECT样带植被NPP的空间变化趋势同降水量的空间变化十分相似,由东到西逐渐降低,二者在空间上的相关性达到了0.84 (P.01),说明NECT样带的植被NPP在空间分布上主要受水分趋动:(2)NECT样带植被NPP的年际变化主要是由各年份夏季NPP的变化造成的,夏季对NECT样带植被NPP的年际增长贡献率最大(67.6%),二者之间的相关性达到了0.95 (P.01);(3)NECT样带的植被NPP积累期主要发生在5-9月份,这5个月的NPP占了全年NPP总量的89.8%,整个夏季(6-8月份)的NPP占了全年的65.9%,冬季(12-2月份)的NPP最低,基本为0;(4)近19年来的气候变化促进了NECT样带的植被生长,从1980年代到1990年代,NPP显著增加,年代际相对增长率为14.3%,平均年际绝对增长趋势为4.6 gCm^(-2)a^(-1),相对增长趋势为1.17%,这主要是由温度升高引起的。
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The spatial-temporal distribution of NPP along NECT and its response to climatic change were also analyzed. Results showed that the change tendency of NPP spatial distribution in NECT is quite similar to that of precipitation and their spatial correlation coefficient is up to 0.84 (P 0.01). The inter-annual variation of NPP in NECT is mainly affected by the change of the aestival NPP every year, which accounts for 67.6% of the inter-annual increase in NPP and their spatial correlation coefficient is 0.95 (P 0.01). The NPP in NECT is mainly cumulated between May and September, which accounts for 89.8% of the annual NPP. The NPP in summer accounts for 65.9% of the annual NPP and is the lowest in winter. Recent climate changes have enhanced plant growth in NECT. The mean NPP increased 14.3% from 1980s to 1990s. The inter-annual linear trend of NPP is 4.6 gC·m-2·a-1, and the relative trend is 1.17%, which owns mainly to the increasing temperature.
结果表明:(1)NECT样带植被NPP的空间变化趋势同降水量的空间变化十分相似,由东到西逐渐降低,二者在空间上的相关性达到了0.84(P《0.01),说明NECT样带的植被NPP在空间分布上主要受水分趋动;(2)NECT样带植被NPP的年际变化主要是由各年份夏季NPP的变化造成的,夏季对NECT样带植被NPP的年际增长贡献率最大(67.6%),二者之间的相关性达到了0.95(P《0.01);(3)NECT样带的植被NPP积累期主要发生在5-9月份,这5个月的NPP占了全年NPP总量的89.8%,整个夏季(6-8月份)的NPP占了全年的65.9%,冬季(12-2月份)的NPP最低,基本为0;(4)近19年来的气候变化促进了NECT样带的植被生长,从1980年代到1990年代,NPP显著增加,年代际相对增长率为14.3%,平均年际绝对增长趋势为4.6 gCm-2(a-1,相对增长趋势为1.17%,这主要是由温度升高引起的。
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And the nonsinusoidal radar signal's space-temporal correlation means, that from one side there is change of signal form depending on radiation or receiving directions, from other side, there is the change of antenna directivity characteristics depending on signal form.
而天线的时空相干性又表明,非正弦波信号的空间位置影响其时域波形,反过来,距离分辨力也影响角度分辨力。
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It also points out that it is a process from quantitative change to qualitative change through construing the relationship among banking risk, banking fragility and banking crisis, and emphasizes the influence of banking fragility imposing on economy from four different aspects.
明确定义了银行体系脆弱性,并对这一概念进行了深入的分析;通过分析银行风险与银行体系脆弱性、银行危机的关系,指出这是一个量变与质变的过程;从四个不同的方面,重点分析了银行体系脆弱性对经济的影响。
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Speak for itself, TV media have been more competitive between each others since this century. People in the industry realized the task of scrabbling audience and absorbing attention, countermining with other media, lifting profits of advertisement, thinking over the reform of channel, adjusting distribute of benefit, thinking over exertion of the whole capital, handling the plundering from the foreign media. The competition has also come from other media and the same craft, we should change our idea of TV media and take the industry policy as a kind of effective tactic to change the old idea.
不言而喻,进入新世纪后电视传媒激烈竞争的态势愈发明显,电视传媒充分意识到入世之后面临着从争夺观众和抓住眼球注意力、对抗其它多样媒体冲击、抢夺与提升广告收入、焦虑改版对频道的压力威胁、调整合并后的资源分配整合、考虑整体资本运营、关注外来资本媒介对人才需求的争夺等等方面都需要加大革新力度,在同样背景下直面国内其他媒体的抗争和同行的一个平台上的争斗,需要从根本上解决观念转化,也需要把产业化运作作为扭转传统电视的旧有意识的有效推进策略。
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In order to change the situation. SPD innovated the traditional theory which brought a great change in its basic value, In term' of just value, it has changed from distribution to chance ;In terms of welfare, SPD claims an active welfare country which is based on the principle of bearing danger and chance together, enjoying right and obligation together; In terms of social management, SPD insist that it should be changed from nationalism which state is responsible for everything to Civil Society which the civics take on their duties first.
20世纪90年代末期上台执政的德国社会民主党接手的是处于危机边缘的福利国家,为了应对困境,德国社会民主党对传统理论进行了革新,基本价值观念发生了重大转变,在公正观念上,完成了从分配公正向机会公正的转变;在福利观念上,主张以风险和机会共担、权利和义务共享为原则的积极福利观;在社会治理观上,主张从国家作为社会治理的首要实施者的&国家主义&向公民是第一责任人的&公民社会&转变。
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Seen from the philosophy angle, death is a process from quality change to quantity change after physiology condition descend the threshold, then die cant avoid.
从哲学角度看,死亡是从量变到质变的过程,病人在生理状况下降到临界点之后,死亡也就不可避免,实际是完成了生死过程中的第一个质变,安乐死仅仅是缩短死亡进程。
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Although little change in force only in well-tuned engine after the replacement of a set of the exhaust system, but the power output of the change is obvious, 1.6 hdi engine's power from 81 kilowatts to 104 kilowatts has been elevated, and another 1.6 l engine surge from 112 kilowatts to 138 kilowatts of output power.
动力方面虽然变化不大,仅在精心调校引擎后更换了全套的排气系统,但是动力输出的改变却显而易见,1.6hdi引擎的功率由81千瓦被提升至104千瓦,而另一款1.6l引擎则由112千瓦暴涨至138千瓦的输出功率。
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Based on the study of chronology and geochemistry of Cd in sediments of the Dongting lake area, we have established an ARIMA model of Cd and Cd/Ca in Quaternary and Holocene period respectively, and discussed Cd evolutionary regularity according to the fitted value and predicted value of the model The results revealed that the Cd evolution has remarkable periodicity of ecogeochemistry cycles, and is correlated with the climate change of alternative cold and warm Cd/Ca is changed with climate, from which the evolutionary history of regional ecogeochemistry can be inferred The changes of Cd and Cd/Ca are basically simultaneous, which showed that the change of Cd is mainly a natural evolution Cd in sediments will rise in the next 30 years and then tend to decrease From the regularity of ecogeochemistry indexes and global environment variation, it is concluded that the natural environment is the dominant factor affecting the Cd deposition
在对洞庭湖区沉积物钻探取样的年代学和地球化学研究基础上,分别建立第四纪和全新世时期Cd和Cd/Ca的时间序列演化ARIMA模型,并据模型的拟合值及未来预测值对区域地球化学环境中Cd的演化规律进行了探讨,结果显示区内Cd的演化有较显著的周期性--环境地球化学旋回,与气候多次冷暖的交替有关;沉积物Cd/Ca受气候环境等控制,分析该比值的变化规律可推测区域环境地球化学的演变历史;Cd和Cd/Ca两者的变化基本同步,说明该区Cd的演化主要为自然演化;未来30年内沉积层的Cd含量仍有逐渐增高的趋势,之后转为降低。从本区环境地球化学指标的时间变化规律及其与全球环境变化的相关联中说明自然条件是区域镉等元素沉积的主控因素。
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The level of feed-water and drain system is comparatively high in the history of China.The research on the level of agriculture in Han dynasty indicates that the prosperity of cities in Han dynasty is based on the tender agriculture and the food supplies import is a constant state in the study area. There is no breakthrough in level of agriculture after Han dynasty,and it is an important reason that the city development in the study area is fluctuant in the history of China.From the end of Han dynasty to North and South dynasty,the climate change made the cold and arid weather keeping in the study area,and affected badly the agricultural outputs.The mode of land-use was transformed from the agriculture to the nomadism in this stage.The climate change made the desertization develop mightily and fast,and approach the scale of modern time in the study area in the North and South dynasty.
研究区汉代农业生产水平的综合分析表明,一方面,汉代城市的繁荣是建立在比较脆弱的农业基础上的,粮食等物品不断的外部输入是一种常态,汉代以后很长时间粮食生产水平并没有突破性的提高,这是研究区城市发展呈阶段性起伏的重要原因;另一方面,南北朝时期冷干气候的持续,对脆弱的农业生产具有重大影响,农业向牧业迅速转化,城市的区域农业支持系统受到严重影响,该时期沙漠化也强烈发展。
- 推荐网络例句
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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.
同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。
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Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.
运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。
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If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.
如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。