Predators are an essential factor in maintaining communities that are rich and diverse in species.
捕食者是维持群落物种丰富多样的一个重要因素。
Abstract: The effect of erosion control by agroforestry is an essential factor of little catchment planning.
摘要：农林复合系统的侵蚀控制效益是在小流域整治规划中必须考虑的重要因素。
Marketing-mix strategy is an essential factor to influence the management of large-scaled stadia and gymnasia.
营销组合策略是关系到大型体育场馆经营效果的重要因素。
As an essential factor in Einstein's special relativity, the concept of observer was first introduced to physics.
爱因斯坦狭义相对论的创立，第一次在物理学中引入“观察者”的概念，使之成为狭义相对论的一个必备要素。
Security is an essential factor of CAS, which mainly depends on scrambling algorithm and key distribution algorithm.
安全性是衡量有条件接收系统的重要指标，它直接取决于所采用的加扰算法和密钥分配算法。
The retina vessel enhancement of retina angiography image is considered as an essential factor to improve diagnosis.
眼底视网膜图像的血管增强在眼科诊断中具有广泛的研究价值。
Nondestructive testing of boiler and pressure vessel inspection institution is an essential factor of quality system.
锅炉压力容器检验机构的无损检测是质量体系要素。
To develop the knowledge of one another among the people of the world is an essential factor in the preservation of peace.
增进世界各国人民之间的相互了解是维护和平的基本因素。
As an essential factor of landform, slope gradient has impacted the processes of transformation of materials and energies.
坡度是最基本的地貌形态指标，它对地表物质能量迁移转换具有重要影响。
That a designer is familiar with the properties of material has become an essential factor in material expression for abstract ideas.
设计者对材料属性的正确把握和深入理解、以及设计者具备的抽象思维才能，是材料抽象表达设计获取成功的基础和前提。
Topic selection and identification constitutes an essential factor affecting the research process and the quality of the final finding.
研究选题是决定研究实施过程与研究质量的关键因素。
This indicates that total pollen concentration is not an essential factor for studying the relationships between surface pollen and vegetation.
花粉浓度在草原区花粉与植被关系研究中意义不明确。
The model is sensitive to disturbance frequency which is an essential factor for rock burst occurrence, and is insensitive to disturbance amplitude.
该模型对扰动频率非常敏感，扰动频率满足一定条件是动力扰动下洞室发生层裂屈曲岩爆的必要条件；
Some view strict discipline as nothing more than a form of abuse, while others argue it is an essential factor for instilling appropriate social behavior.
有的人就是把严厉的管教看成一种虐待，而另外的人认为这是逐渐灌输得体的社会行为的要素。
The underground dynamic fluid field, i. e. underground fluid potential, is an essential factor to control migration and accumulation of hydrocarbons.
控制烃类运移和聚集的根本因素是地下流体动力场，也就是地下流体势。
Knowledge capital is the summation of total intangible assets in a corporation, it is an essential factor to maintain a corporation's regular operation.
知识资本就是指企业所有无形资产的总和，它是现代公司维持正常运转不可或缺的因素。
The quality and quantity of peripheral blood stem cells (PBSC) are considered as an essential factor for short term and long term hematopoietic reconstruction after PBSC autograft.
自体外周血造血干细胞（PBSC）移植后血液系统的重建与采集和保存的PBSC的质量和数量有密切关系。
Identification is an essential factor in the international socialization, especially in the process of international institutionalization, which two constitute an interactive relation.
认同是国际交往中的一个重要因素，尤其是在国家参与国际制度的进程中，认同与制度化构成一个互动的关系。
The abnormality of immune adjustment is an essential factor in autoimmune disease including TAO, in which active immune status is reflected by the tendency of reoccurring and postponing.
免疫调控功能紊乱被认为是自身免疫疾病的原发因素之一，TAO患者免疫功能处于长期活化状态，致使病变具有反复发作、迁延不愈的特点。
Recent studies show that markedness is an essential factor determining the order of second language acquisition, and that learners tend to acquire unmarked language items before marked ones.
语言类型的标记关系是影响第二语言习得顺序的一个重要因素，学习者往往首先习得无标记的语言项目，然后才习得有标记的项目。
Finally we select the partial semantic characteristics from the labeling sets, and form the syntax-semantics mapping structure which can be an essential factor for the later ontology learning.
本章最后我们在标注的结果中，抽取出了我们需要的部分语义特征，构造句法-语义映射结构，该结构为以后本体学习中的一个关键要素。
When considering an SOA, it's essential to factor in data integration.
当考虑SOA的时候，必须将数据集成作为一项基本要素。
Ultraviolet radiation (UVR) is an essential risk factor for the development of premalignant skin lesions as well as of melanoma and non-melanoma skin cancer.
紫外线辐射(uvr)是产生黑色素瘤癌前皮肤病灶、黑色素瘤和非黑瘤皮肤癌的重要危险因素。
Ecological environment has converted from the essential factor of human existing from the single meaning to an economical element of social significance.
生态环境已经从单纯意义上的人类生存要素转变为社会意义的经济要素。
In multiple myeloma (MM) pathogenesis, IL-6 has been identified as an essential growth and survival factor.
在多发性骨髓瘤(MM)的发病机制中，白细胞介素- 6 (I L - 6)是肿瘤细胞生长和生存的一个重要因素。
The feature is an essential element that comprises spatiotemporal data information and the event is a fundamental factor that result in changing spatiotemporal data.
地理特征对象是时空数据组织的基本单元，而事件是导致时空数据发生变化的根本原因。
The feature is an essential element that comprises spatiotemporal data information and the event is a fundamental factor that result in changing spatiotemporal data.
地理特征对象是时空数据组织的基本单元，而事件是导致时空数据发生变化的根本原因。
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