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连续覆盖
相关语句
  continuous coverage
     Simulation Analysis and Optimization of Constellation's Global Continuous Coverage
     卫星星座全球连续覆盖的仿真分析与优化
短句来源
     Shared antenna and feeder of 1x EV-DO and 1x, and independent antenna and feeder, continuous coverage and interspersed coverage are analyzed and compared.
     并对1xEV-DO和1x共用天馈线系统和独立天馈线系统,以及连续覆盖和插花式覆盖进行了分析比较。
短句来源
     More general inclined orbit and phased constellation of 180° nodal distribution which provides multiple global continuous coverage is investigated and designed using street of coverage technique.
     采用覆盖带技术,在全球多重连续覆盖、定倾角的条件下进行了星座设计。 星座形式采用180°升交点分布,并考虑相邻轨道间的相对相位。
短句来源
     In this paper, design of constellation in need of continuous coverage for ground target is studied.
     研究了需要对地面目标进行连续覆盖的星座的设计问题。
短句来源
     In this paper,we study the design of constellation with continuous coverage for ground target.
     主要研究了对地面目标进行连续覆盖的星座设计问题。
短句来源
  “连续覆盖”译为未确定词的双语例句
     Mulch for 2 or 3 years in succession,soil organicmatter in 0~10cm layer had increased by 15.35%and 17.96%,the amountof total N had increased by 11.63% and 15.49% over no mulch one,theamount of total P and effective P had also increased in varying degrees,and the amount of earthworms had increased greatly
     连续覆盖2~3年时,0~10cm 土层有机质含量增加15.39%和17.96%,全氮量增加11.63%和15.49%,全磷量、速效磷量也有不同程度增加,且蚯蚓数量大增。
短句来源
     CONSTELLATION DESIGN BASED ON THE ANALYZING CHARACTER OF CONTINUOUSCOVERAGE
     基于连续覆盖特性分析的星座设计
短句来源
     Full coverage and b-oriented seeded layers were produced on porous α-Al2O3 supports by in-situ nucleation. The formation of b and a-oriented membrane with thickness of 3 μm could be ensured by the further secondary growth in a relatively mild condition.
     采用原位法在多孔α-Al2O3载体表面合成出连续覆盖且b轴取向的MFI分子筛晶种层,进一步在较温和的条件下进行二次生长,获得了b、a-轴取向的膜层,厚度约为3μm。
短句来源
     The content of WSOC in the soil having been covered for 5 years in succession is double compared to that in the soil covered for only 1 year.
     雷竹林地增温覆盖措施增加了土壤WSOC的量 ,连续覆盖 5a的土壤WSOC比覆盖 1a的增加了 1倍。
短句来源
     It also introduces a method to design orbits, by the expression through living examples.
     结合实例给出了利用该表达式进行有连续覆盖、覆盖次数及过顶时间要求时的轨道设计方法。
短句来源
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  相似匹配句对
     CONSTELLATION DESIGN BASED ON THE ANALYZING CHARACTER OF CONTINUOUSCOVERAGE
     基于连续覆盖特性分析的星座设计
短句来源
     head continuous with body;
     头连续;
短句来源
     from continuity to non-continuity;
     从连续到非连续;
     Simulation Analysis and Optimization of Constellation's Global Continuous Coverage
     卫星星座全球连续覆盖的仿真分析与优化
短句来源
     (3)mulching stock.
     (3)覆盖还田。
短句来源
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  continuous coverage
Multisatellite systems with linear structure and their application for continuous coverage of the earth
      
Seagrass beds naturally occur in a variety of spatial configurations from patches 1-10s of meters across with interspersed unvegetated sediments (i.e., patchy coverage) to more continuous coverage with little or no bare sediment.
      
A large number of 3D deep seismic surveys in the Faroe-Shetland Channel gives continuous coverage over most of the region.
      
The continuous coverage of the RAB data is the only means of interpreting sub-bottom variations in the volcanic stratigraphy and the proportions of different volcanic facies.
      
Satellite based measurements of such variations are limited to recent times, are short in duration and subject to gaps making necessary ground-based surrogates with longer and more continuous coverage.
      
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The paper described the effects of stubble mulch tillage in rainfed landunder semihumid liable to drought areas conditions.The experiment indic-ated that stubble mulch tillage could conservate water 21.52mm more thanno stubble mulch within 2m soil layer.under the protection of layers ofstubble mulches,the runoff had reduced by 74.5%,soil loss had reducedby 89.S%.Temperature could be reduced in summer but maintained in win-ter by stubble mulch.Mulch for 2 or 3 years in succession,soil organicmatter in 0~10cm...

The paper described the effects of stubble mulch tillage in rainfed landunder semihumid liable to drought areas conditions.The experiment indic-ated that stubble mulch tillage could conservate water 21.52mm more thanno stubble mulch within 2m soil layer.under the protection of layers ofstubble mulches,the runoff had reduced by 74.5%,soil loss had reducedby 89.S%.Temperature could be reduced in summer but maintained in win-ter by stubble mulch.Mulch for 2 or 3 years in succession,soil organicmatter in 0~10cm layer had increased by 15.35%and 17.96%,the amountof total N had increased by 11.63% and 15.49% over no mulch one,theamount of total P and effective P had also increased in varying degrees,and the amount of earthworms had increased greatly

在半湿润易旱区的条件下研究旱地不同耕作法结合覆盖的保水增肥效应。结果表明,覆盖耕作比不覆盖在2 m 土层内蓄水平均增多21.52mm。在覆盖层保护下,径流量降低74.5%,土壤流失量减少89.5%。覆盖后夏季有降温作用,冬季有保温作用。连续覆盖2~3年时,0~10cm 土层有机质含量增加15.39%和17.96%,全氮量增加11.63%和15.49%,全磷量、速效磷量也有不同程度增加,且蚯蚓数量大增。

The problem in the constellation design of low elliptical orbits of the mobile sat-ellite communication system is discussed.An optimum method for the selection of phase of satel-lite constellation is suggested due to various the height of satellites in orbits. Adopting the con-stellation of the low elliptical orbit system for covering China has two schemes.The rirst schemeis:The constellation consists of 12 satellites with the low elliptical orbits(apogee at 2906 km,perigee at 427km). The second is:Adding...

The problem in the constellation design of low elliptical orbits of the mobile sat-ellite communication system is discussed.An optimum method for the selection of phase of satel-lite constellation is suggested due to various the height of satellites in orbits. Adopting the con-stellation of the low elliptical orbit system for covering China has two schemes.The rirst schemeis:The constellation consists of 12 satellites with the low elliptical orbits(apogee at 2906 km,perigee at 427km). The second is:Adding 4 satellites with the mid earth orbit on equatorialplane to compensate the drawback due to low coverage rate at low latitude in first system. Thesecond scheme can provide continuous coverage of China.

讨论低椭圆轨道移动卫星通信系统的星座设计问题,提出了星座中各卫星高度不断变化时,卫星群相位的优化设计方法。本文设计的覆盖我国的低椭圆轨道系统星座有二个方案:第一个方案是由12颗低椭圆轨道卫星(远地点为2906km而近地点为427km)组成;第二个方案为弥补系统对低纬度地区覆盖率低的缺陷,而增加四颗赤道平面中轨道卫星,提供对我目的连续覆盖

The trails of tillage techniques of water

1990~1994年在地处黄土高原的山西隰县坡旱地进行了集水深蓄耕作效应研究。结果表明:与常规耕作相比,采取耕翻地孔或耕翻深松,0~200cm土层贮水量增加50.8mm和54.8mm;地面径流量减少57.8%和52.8%,土壤侵蚀量减少58.0%和53.5%;降低土壤温度0℃和1.2℃;连续覆盖4年,土壤有机质提高了1.7g/kg,速效钾提高了15.9mg/kg;小麦单产提高23.5%和27.7%;水分利用率提高了0.043kg·(mm-1·亩-1)和0.068kg·(mm-1·亩-1)。

 
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