效益

The chapter is involved with the economic problem of land intensiveness.

是对土地保护进行成本效益分析，合理推断农民行为方式。

Taking Hunan Province as the object of research and combining qualification and quantification, this paper systematically expatiates the status quo, structure, characters of land use and problems in land use in the province, and establishes a system of evaluation index and an appraisal model, namely comprehensive law of the weighting, to appraise the extent, intensiveness degree and comprehensive benefit of the land use of the province, with a result that the current integral level of land use of Hunan Province has entered a relatively rational stage.

以湖南省为研究对象，采用定性和定量相结合的方法，首先对湖南省土地利用现状结构、特点及土地利用存在的问题进行了较系统地阐述；然后建立评价指标体系及评价模型－加权综合法，从土地开发利用程度、土地利用集约程度以及土地利用综合效益三个方面对湖南省域进行土地利用现状评价，得出评价结果：湖南土地利用现状整体水平已进入了基本合理利用阶段；最后提出土地合理利用的几点建议。

Numerical simulation of temperature field of soil around the horizontal ground pipe;2. The paper presents a new technique of producing methane with solar heating in cold area,develops the experiment system for producing methane with solar heating,studies the heat-transfer content、temperature difference of heat interchanger and temperature field of soil around the digester fermenting,gives the value of heat .

为解决北方地区由于冬季气温、地温低，沼气生产存在产气率低、使用率低、原料分解率低、沼气使用综合效益差等问题，文章介绍了一种利用太阳能加热制取沼气的方法，建立了太阳能加热制取沼气的试验系统，研究了换热器的加热量、进出口温差以及沼气池周围土壤温度场的变化情况，并给出了换热器的传热系数。

The paper presents a new technique of producing methane with solar heating in cold area,develops the experiment system for producing methane with solar heating,studies the heat-transfer content、temperature difference of heat interchanger and temperature field of soil around the digester fermenting,gives the value of heat .

为解决北方地区由于冬季气温、地温低，沼气生产存在产气率低、使用率低、原料分解率低、沼气使用综合效益差等问题，文章介绍了一种利用太阳能加热制取沼气的方法，建立了太阳能加热制取沼气的试验系统，研究了换热器的加热量、进出口温差以及沼气池周围土壤温度场的变化情况，并给出了换热器的传热系数。

Empirical results show that the "intercity intermodal logistics transportation" has its financial benefits.

经由实例分析结果发现，「城际复合物流运输」确实为一具财务效益之营运策略。

It changes modes of integration between distributed systems, and makes easy to intercommunicate between heterogeneous platforms. Without doubt, it will accelerate integration of different kinds of business and enterprise systems, will reduce cost and improve benefit.

它的出现改变了以往分布式系统间的集成方式，使得运用不同分布式集成架构的系统之间可以容易地相互沟通，这无疑极大地促进各种商务系统、企业系统的集成，降低成本，提高效益。

Spring maize ; ginger ; intercrop ; physiological effect ; synthetical benefit

春玉米；生姜；间作；生理效应；综合效益

Grassland agriculture is the import part of persistent and ecological agriculture with the most profit of economic and ecology, and it has the broad foreground through the waste reuse, leaf arming and intercrop to established the production system of agriculture in the extraried desert.

通过弃耕地种草、牧草与农作物的轮作倒茬和间作套种技术等，建立集生态效益、经济效益、社会效益三位于一体的草地农业生产，在极干荒漠区具有良好的推广应用前景。

The best comprehensive economic benefit: the intercrop of corn and flax has the best comprehensive economic benefit in 12 farming modes,while orchard intercropping has the lowest benefit.

粮食生产不同种植方式的综合技术效益（1）通过对张掖市主要的 12种种植方式比较得出玉米套种胡麻综合经济效益最好为 115，68元，其次为胡麻八甜菜为 104.78元，甜菜、小麦／／玉米的综合经济效益也较好，分别为 81.52元和 90.90元。

It is suggested that some measures of regulation,like thinning etc.,should be taken to keep sustainable intercrop and achieving best comprehensive benefits for the forest of 6 years and over.

建议6年生以上林分采取适当间伐或间种耐荫经济作物等调控措施，保证持续间种，取得最佳复合效益。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。