The crop model of the modern small-scale peasant economy is decided by the following factors:first of all,the natural constraints on the choice of crops;secondly,a guarantee of food requirements;thirdly,the stimula from the market system.
近代小农经济的作物模式主要受到以下几个方面因素的影响:首先,自然环境对作物选择的制约;其次,在小农生产的条件下,保障一家的吃饭问题的要求;第三,以利益刺激为中心的市场制度的作用。
With this shift carries a new paradigm of weather for your planet.
随著这次转变，带来了给地球的新的天气模式。
The unpredictable Caribbean-Atlantic weather pattern also plays its role.
不可预知的加勒比海-大西洋天气模式也扮演它的角色。
Discussion on Reform Model of Natural Gas Transmission and Distribution Indus-tries in Shanxi Province;
陕西省天然气输配产业改革模式探析
Research on charging mode and pricing strategies and risk analysis of natural gas of "Western Natural Gas to East (WNGE)" project;
西气东输"项目天然气收费模式与定价策略探讨
Natural Gas Characteristics and Accumulation Models of Typical Gas Pool of Bozhong Area;
环渤中地区天然气性质及典型天然气藏成藏模式
Episode simulation of Asian dust storms with the air quality modeling system RAMS-CMAQ
多尺度空气质量模式系统RAMS-CMAQ对亚洲沙尘暴天气个例模拟
Weather is generally predictable and follows a cause and effect pattern.
天气一般是可以预测的，遵循着因果关系模式。
Assessment on the Explanatory Level to Weather Element of NWC Model Products
国家模式产品对天气要素释用能力的评估
Study on Optimization of the Dust Model System and Quantitative Classification of Dust Events in East Asia
沙尘模式优化与东亚沙尘天气量化分级研究
SIMULATION OF INTEGRATED PERFORMANCE OF AEROSPACE PLANE/AIR BREATHING PROPULSION SYSTEM
空天飞机/吸气式推进系统一体化性能的模拟
Application and Simulation of the Regenerative Heating Forge Furnace Using Natural Gas as the Fuel;
天然气在蓄热式锻造加热炉上的应用及模拟
Research on the Reform of Xi an Natural Gas Corporation Operation Modes;
西安市天然气总公司运营模式的改革研究
Research on the Innovative Mode of Marketing Management of Natural Gas Enterprise;
关于天然气企业营销管理创新模式研究
On the Application of EPC mode in the Oil-gas Pipeline Engineering;
EPC模式在石油天然气管道工程中的应用探讨
A Study on China s Price Control System and Pricing Mode for Natural Gas;
我国天然气价格管理体制及定价模式研究
An analysis of economic development model on natural gas industry in central and western China.;
我国中西部天然气工业发展经济模式分析
Research on the Control System of Oil Extraction Joint Station Based on PLC
松辽盆地长岭断陷天然气成藏机制及模式研究
Study on the distal gas accumulation model of the Lower Triassic Jialingjiang Formation in the south of Sichuan Basin,China
四川盆地南部嘉陵江组天然气远源成藏模式