PLM系统并不是真正用来管理产品完整生命周期的。它是一个定位在前端的系统，跟概念和细节设计关系更大。
PLM systems don't really manage the product's entire lifecycle. It is a front-end oriented system more related to concepts and detailed design.
美国宇航局随后低调处理了火星上有生命这个概念并且代之以系统的宣传探索火星的后期地质和气候。
NASA subsequently played down the notion of life on Mars and instead set out on a methodical campaign to explore the past geology and climate of Mars.
第一，通过客户生命周期价值的计算，进行客户价值细分，提出了基于客户细分的分销系统客户服务水平的概念和计算公式。
First, the concept and calculation method of customer service level based on customer segmentation are advanced through computing the customer lifetime value.
简要介绍了人工生命的概念、基本原理与方法，指出它是解决复杂系统的有效途径。
This thesis briefly introduces the concept of artificial life, its fundamental principle and method, which is an effective approach for solving complex systems.
河流自然生命是一个新概念，它的定位和界定不是基于传统的生物学意义上的定义，而是依据非生命整体生态系统有机体特征和不可分割的属性。
River's natural life is a new concept, its orientation and definition is not based on traditional biological definition, but on the organism character and unitary of non-live whole.
他提出并论证了系统价值的概念，为人类保护共同体中的生命个体和自然生态系统本身提供了理论依据。
Rolston provoked and analyzed the concept of systematic value, which forms the theoretical foundation for human beings to protect the individual life as well as the ecological community.
本文运用生命周期评价方法对环境材料的概念及其研究内容进行了系统的研究。
The content and the concept of Eco-materials is indagated by means of life-circle-assessment (LCA) methods in this paper.
他提出并论证了系统价值的概念，为人类保护共同体中的生命个体和自然生态系统本身提供了理论依据。
Rolston provoked and analyzed the concept of systematic value, which forms the theoretical foundation for human beings to protect the individual lif.
系统分析了我国科技型小企业的概念、现状、特征和生命周期。
The conception, current situation, feature and lifespan of Chinese small scientific and technology enterprises are systematically analyzed.
本课程引进“生命也可视为另一种地质营力”的概念及检验自从生命首次出现，迄今约四十亿年内，生命与地球系统彼此相互作用的情形。
This course introduces the concept of 'life as a geological agent' and examines the interaction between biology and the earth system during the roughly 4 billion years since life first appeared.
1987年兰顿首次提出了人工生命的概念，定义“人工生命是研究人工系统来模拟自然生命系统行为特性的学科”。
In 1987, artificial life was first proposed by C. G. Langton and he defined artificial life is the study of man-made systems that exhibit behaviors characteristic of natural living systems.
生态系统的概念不同于群落，群落更强调非生命的因素。
The concept of the ecosystem differs from that of the community in that more emphasis is placed on abiotic factors.
生态系统的概念不同于群落，群落更强调非生命的因素。
The concept of the ecosystem differs from that of the community in that more emphasis is placed on abiotic factors.
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