A completely different theory holds that yawning assists in the physical development of the lungs early in life, but has no remaining biological function in adults.
另一种完全不同的理论认为，打呵欠有助于生命早期肺部的生理发育，但对成年人没有任何剩余的生理功能。
It is then clear that biological development and cultural development are closely tied.
显然，生物发展和文化发展是紧密联系的。
Over the past century and a half, however, studies in the history of human development have shown that the formation of culture is part of the biological adaptation.
然而，在过去的一个半世纪里，对人类发展史的研究表明，文化的形成是生物适应的一部分。
Filtration depends on the development of a thin biological layer, called the zoogleal layer or Schmutzdecke.
过滤取决于薄薄的生物层的发展，该薄层称为动物神经层或去污层。
A: the new standard establishes breastfeeding as the biological norm and the breastfed infant as the standard for growth and development.
答：新标准的建立以母乳喂养作为生物学规范，以母乳喂养婴儿为生长和发育的标准。
Brain and biological development during the first years of life is highly influenced by an infant's environment.
在生命最初几年，脑和生理发育深受婴儿环境影响。
Brain and biological development during the first years of life depends on the quality of stimulation in the infant's environment-at the level of family, community, and society.
生命最初数年的大脑和生物发育取决于婴儿环境(在家庭、社区以及社会层面)下的激励质量。
Rapid development of biological development brought the human being into a new era-the era of gene, and protection of intellectual property right is appearing.
生物技术的飞速发展把人类推到一个全新的时代——基因时代，与基因有关的知识产权保护问题空前凸显出来。
The medicine man is a biological toxin production, research and drug development in one of the bio-pharmaceutical companies.
人本药业是集生物毒素生产、研究、药物开发于一体的生物制药企业。
The biological basis consists of: (1) the development of oocytes in the ovary of the brood fish is not completely synchronous.
草鱼一年多次产卵的生物学基础主要是：(1)成熟草鱼卵母细胞发育的不完全同步性。
Chemical engineering can also play a part in the design and development of biological sensors, employing immobilized enzymes to analyze minute samples online.
化学工程在开发生物传感器方面也发挥着作用，如利用固定酶的方法对微量样品进行在线分析。
The structure, main components of silk protein are introduced briefly. Its development and application in clothing, cosmetic, food, medicine, biological technology, and so on are reviewed.
简介蚕丝素蛋白的结构及主要成分，综述最近几十年蚕丝素蛋白在服装、化妆品、食品、医学和生物技术等方面的开发与应用。
For this strategy to be effective, however, cell biological information about tubule development within the diseased organ is needed.
但是，要使这种治疗方案行之有效，需要了解关于患病肾脏肾小管发育的细胞生物学信息。
Firstly , overnight work is dangerous because it disrupts the circadian rhythm, the body's biological clock. The hormone melatonin, which can suppress tumor development, is normally produced at night.
首先，通宵工作是危险的，因为它打乱了生理节奏，身体的生物钟，可以阻止肿瘤生长的黑色素，通常是在晚上产生的。
The experiment brought up interests of students about the biological experiment and enhanced the understanding of the process of animal embryonic development.
该实验有利于培养学生对生物学实验的兴趣，加深对动物胚胎发育过程的了解。
This paper discusses the biological feature and the integral utility value of Lantana Camara, and also probes into its present status and development prospect.
本文论述了马缨丹的生物特性和综合利用价值，探讨了目前的状况及发展前景。
It is believed that these biological and morphological changes are accompanied by differential gene expression pattern at the various stages, which result in special metabolism and development.
这种不同发育阶段的形态学上和生物学上的变化必然伴随着不同的基因差异表达模式，导致血吸虫独特的代谢和发育过程。
Biological economic form is the economic form based on research and development and application of biological technology and biological technology products and biological industry.
生物经济形态是以生命科学与生物技术研究开发与应用为基础的，建立在生物技术产品和生物产业基础上的经济形态。
The Company specializes in diagnostic reagents and biological materials research and development, production and sales, and provide technical advice and services.
本公司专业从事诊断试剂及生物原料的研发、生产和销售，并提供技术咨询和服务。
Studies were made on the vegetative propagation coefficient and cormels biological characters using eighth-excision in different development phase of Lycoris radiate.
在红花石蒜不同生长发育期进行八分法切割繁殖，研究无性繁殖系数和子球生物学性状差异性。
Structural bioinformatics based rational protein design will play important role in biological research and development of protein therapeutics in the post genome era.
利用结构生物信息学方法进行蛋白质的理性设计，将会在后基因组时代的生物学研究和蛋白药物开发中起到越来越重要的作用。
The current status and development of physical, chemical and biological technologies for treatment of printing and dyeing wastewater were reviewed.
按物理法、化学法和生物法分别评述了我国印染废水治理技术的现状，并提出了今后的发展趋势。
These results are very important for further study on the synthesis, biological activity and development of sugar drugs.
这些研究结果对进一步研究糖簇化合物的合成、生物活性的研究、新型糖类药物的开发具有十分重要的意义。
However, the resource-bearing regions distribute uneven. The conditions of complex coal mining technology and biological environments limit the coal resource development of energy bases.
但是，我国煤炭资源地域分布不均衡，复杂的煤矿开采技术条件和生态环境制约着我国能源基地煤炭资源的开发。
Human embryonic stem cell research may lead to new biological insights that offer avenues for the development of promising new therapies for cancer patients.
人类胚胎干细胞研究可能会带来新生物学研究的前景，为癌症患者提供新的治疗方法。
The biological characteristics, safety and application in food industry of ice nucleation active bacteria were summarized in this paper, moreover, its development in the future was also discussed.
对冰核细菌的生物学特性、安全性及其在食品冷冻保鲜与冷冻浓缩中的应用进行了概述，并对其今后在食品工业中的应用前景进行了展望。
Three main approaches controlling structure and morphology of ultrafines by modeling biological mineralization are introduced, and its development is looked for ahead.
阐述了生物矿化作用机理及其主要的生物控制因素，介绍了模拟生物矿化控制超细粉末结构形貌的三个途径，并展望了其发展趋势。
Three main approaches controlling structure and morphology of ultrafines by modeling biological mineralization are introduced, and its development is looked for ahead.
阐述了生物矿化作用机理及其主要的生物控制因素，介绍了模拟生物矿化控制超细粉末结构形貌的三个途径，并展望了其发展趋势。
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