我们正往古老的传统的农业生态系统中注入新鲜血液，这看起来确实很酷。
We're bringing new blood into the old, conventional farming ecosystem, which is really cool to see.
北美与西欧的农业生态系统差别太大难于比较。
The North American and Western European agroecosystems are too different to compare.
遏止环境污染是保护农业生态系统服务功能的关键。
It is the key to protect the function of agricultural ecosystem service to check the environmental pollution.
蚕桑生态系统是我国农业生态系统的重要组成部分。
Mulberry-silkworm ecosystem is one of the important agro-ecosystems in China.
第二，传统农业生态系统常处于氮约束和水约束状态。
Second, traditional agroecosystem is usually at N-Limitation and water-limitation.
介绍了农业生态系统的结构、功能、调控及理论应用。
It also introduces the structure, functions, regulation and application of agroecosystem.
④种树种草，营造农田防护林，建立新的农业生态系统。
Plant trees and grasses, and protective froest, form new agr-ecosystem.
与自然生态系统相比，农业生态系统具有自己的独特性质。
Compared with the natural ecosystems, agroecosystems possess their own special characteristics.
城郊农业生态系统是一类区域性鲜明、功能独特的生态系统。
The suburbs Agroecosystem is a kind of ecosystem of distinctive regionalism and unique function.
在山与山农业生态系统的特点是很少的灌溉土地，地势崎岖。
The Hill and Mountain agro-ecosystem is characterized by very little irrigated land and difficult terrain.
世界粮食生产的不平衡是农业生态系统及其管理部门的一个问题。
The world food imbalance is a problem of agricultural ecosystems and their management.
沼气发酵系统是复合农业生态系统中物质循环和能量转化的枢纽。
Biogas system is the pivot in material recycling and energy transformation of a complex agro-ecosystem.
土壤是农业生态系统中的物质基础，是农业地质研究的主要对象。
Soil is material base of agricultural ecological system and main studied object of agricultural geology.
由于矿物燃料供应量下降，我们供应农业生态系统能量能持续多久？
How long can we continue to supplement agroecosystems with energy derived from declining fossil fuel supplies?
建议用辅助能替代率代替能量产投比对农业生态系统进行能流分析。
Supplementary energy replace ratio concept was proposed to clrify peoples comprehension and understanding to some concepts.
基于季节畜牧业和草地农业生态系统的思想，提出了关键场的新概念；
Based on the concept of seasonal grazing production systems and agro-grassland ecological systems, the new idea of key pasture has been formed.
商品交换是造成农业生态系统间的能量和物质输出及输入的主要原因。
The exchange of commodities is the major cause for the output and input of energy and material between agro-ecosystems.
结合农业生态系统特点对未来旱地农业水、肥效应的研究方向进行了展望。
The development trend of the researches on the water-fertilizer effect on dry land farmland in light of the characteristics of agro-ecosystem was also prospected.
农业生态系统是复杂的人工生态系统，提高其生产力是农业生产的主要目标。
Agricultural ecosystem is a complicated man-made ecosystem and the increase of its productivity is the main object of agricultural production.
本研究对广东21市农业生态系统中205个样点外来入侵植物进行了调查。
Exotic invasive plants of agricultural ecosystem were surveyed at 205 samples of 21cities in Guangdong province.
本文以热力学定律为依据，根据农业生态系统的特性，给农业生态系统的熵下了定义。
According to the thermodynamic law and the characteristics of agricultural ecological system, the entropy of agricultural ecological system was defined.
叙述了食用菌生物学特性及其在工农业副产品的综合利用和农业生态系统中的重要作用。
In this paper, the biological character of edible fungi and their important roles for comprehensive utilization of waste materials and for agroecosystem were reviewed.
玛纳斯河流域农业生态系统良性演替需建立在绿洲资源要素时空优化配置及其协调开发利用上。
Positive succession should be based on the temporal and spatial distribution and the coordinated utilization of oasis resource factors on the agro-ecosystem along Manas River.
选择“农业生态系统框图模型”最佳方案的统计方法，是从多种方案中，采用统计决策进行优选。
The statistical method of selecting optimum programme on the block diagram model of agricultural ecosystem is the method of using the statistical decision to seek the optimum from many pro-grammes.
草业科学是研究草地农业生态系统的科学，主要研究对象是3个要素群，3个主要界面和4个生产层。
Pratacultural science researches the grassland agro-ecosystem, mainly looking at 3 elemental groups, 3 main interfaces and 4 production levels.
在农业生态系统中，土壤微生物通过降解植物残体为植物提供营养，同时维持植物生产所需的土壤性质。
In agricultural ecosystem, they supply nutrients for crops with degraded plant residues and keep soil characteristics which are necessary to plant growth.
黑龙江垦区具有丰富的农业资源，但是，由于多年来片面追求粮食产量和经济效益，农业生态系统破坏严重。
Reclamation area of Heilongjiang is rich for agricultural resources. But the agroecosystem has been seriously destroying in recent years due to pursuing grain yield and economic profit.
农业生态系统的能量分析从能流着手进行农业生态系统的功能量化分析，是农业生态系统重要的研究方法之一。
The energy analysis of agro-ecosystems from the view point of energy flow is a quantitative study on the function of agro-ecosystem, and is one of the most important aspects in agro-ecosystem study.
农业生态系统的能量分析从能流着手进行农业生态系统的功能量化分析，是农业生态系统重要的研究方法之一。
The energy analysis of agro-ecosystems from the view point of energy flow is a quantitative study on the function of agro-ecosystem, and is one of the most important aspects in agro-ecosystem study.
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