事实上，竞争对象可能是生命体所必须的任何生物或非生物因素。
Indeed, it may be for any of the factors, physical as well as biotic, that are essential for organisms.
盐胁迫是影响作物生长和产量的主要非生物因素之一。
Salinity is one of the major abiotic stress factors that adversely effect the crop plant growth and yield.
目的探讨外科手术切口感染的非生物因素，减少切口感染的发生率。
Objective to discuss the non-biological factors in infection of the surgical incision so ast o decrease the incidence.
研究了导致竹汁产生沉淀的非生物因素，分析了沉淀物质的组成及不同处理对沉淀产生的影响。
Non-biological factors causing precipitation of bamboo juice were studied and the composition and mechanism of the precipitation were analyzed.
植物次生物质是植物对环境的一种适应，是在长期进化过程中植物与生物和非生物因素相互作用的结果。
Plant secondary metabolites is an adaptation of plants to circumstances, and its result of plant interacting with biotic factor and abiotic factor in the permanent evolution.
微生物群落是影响酶活性的主要生物因素，土壤有机质、温度和湿度等是影响酶活性的重要非生物因素；
Microorganism community is a crucial biotic factor, SOM(soil organic material), temperature and moisture are all important abiotic factors that could affect enzyme activity;
作物基因表达一方面受到遗传基因的控制，另一方面，环境中的生物与非生物因素对基因表达也起到重要的调节作用。
Heredity is controlled by genes, but their expression is turned on and off throughout life depending upon biotic and abiotic factors in environment.
综述了微生物对链烷烃、环烷烃和芳香烃的降解途径、机理和降解动力学，分析了温度、营养物质、氧及盐度等非生物因素对降解作用的影响。
Biodegradation ways, mechanism and kinetics of alkanes, cyclanes and arenes are reviewed, and the influences of temperature, nutrients, oxygen and salinity on biodegradation are analyzed.
本文主要从苹果再植病的类型、表现、致病因素(生物因素和非生物因素)以及防治措施等方面概述了十几年来人们在这方面的研究进展情况。
In this article, the possible factors related to the decrease of bee population number were analyzed, such as biological factors bacteria, viruses, fungi and parasites, etc.
干旱是影响玉米生产的最主要非生物胁迫因素，解决这一问题的有效策略是选育并推广抗旱性品种。
Drought is the most important abiotic factors limiting maize production. The effective approach to solve this problem is breeding and popularizing variety for drought tolerance.
了解注意缺陷多动障碍（ADHD）发病的非生物学危险因素。
To export psychological social risk factors of attention deficit hyperactivity disorder (ADHD) in children.
将水坝对河流生态系统的影响因素划分为非生物要素和生物要素两大方面，并根据影响程度划分为三个等级；
Factors affected on dams were divided into two sections: abiotic factor and biotic factor, and the degree of effects was divided into three grades;
土壤盐渍化已成为制约农作物产量的主要非生物胁迫因素。
Soil salinity constitutes a major factor limiting crop production because it affects plant growth and survival.
高盐、低温、干旱等非生物胁迫是全球农业减产的主要因素。
Abiotic stresses such as high salt, low temperature and draught are major limiting factors for crop production worldwide.
高盐、干旱、低温等非生物胁迫是影响作物产量的重要环境因素。
High salt, drought, low temperature and other abiotic stresses are important environmental factors to affect crop yield.
长期以来，盐碱、干旱、寒冷是限制作物生长、发育和产量非常严重的三大非生物胁迫因素。
It had been thought that salt and alkali, drought, and chillness were the three most serious abiotic stress factors that could restrict the growth, development and yield of crops for a long time.
它是植物从水生进化到陆生的物质基础，是维持地球碳素循环的重要因素，在植物生长以及对生物与非生物的防御能力方面有着非常重要的作用。
The importance of lignin ranges from its fundamental roles in the evolution of land plants, global carbon cycling, and development, to its role in the biotic and abiotic stress resistance of plants.
盐分胁迫是自然界中一种主要的非生物胁迫，是影响植物生长的重要因素之一。
Salinity is one of the major abiotic stressors in the world, which affects the plant growth and crop production.
盐胁迫是非生物胁迫中影响作物产量的一个主要因素，利用分子标记方法选育油菜耐盐品种对提高油菜产量具有重要意义。
Salt stress is one of the main abiotic stresses affecting crop yield and it would be very important by using the salt tolerance related markers in rapeseed breeding to improve the oilseed production.
干旱是玉米生产的主要非生物限制因素。
Drought is the most widespread abiotic constraints in maize production.
干旱是玉米生产的主要非生物限制因素。
Drought is the most widespread abiotic constraints in maize production.
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