age determination

简明释义

测定年代

英英释义

例句

1.During the archaeological dig, age determination 年龄鉴定 of artifacts was crucial for dating the site.

在考古挖掘过程中，年龄鉴定文物对于确定遗址的年代至关重要。

2.The dentist used X-rays for age determination 年龄鉴定 to assess the development of a child's teeth.

牙医使用X光进行年龄鉴定以评估儿童牙齿的发育情况。

3.The forensic team conducted an age determination 年龄鉴定 on the remains to identify the victim.

法医团队对遗骸进行了年龄鉴定以确认受害者的身份。

4.The museum utilized carbon dating for age determination 年龄鉴定 of ancient manuscripts.

博物馆利用碳定年法对古代手稿进行年龄鉴定。

5.In wildlife research, age determination 年龄鉴定 helps scientists understand animal populations.

在野生动物研究中，年龄鉴定帮助科学家了解动物种群。

作文

In the field of biology and anthropology, age determination is a crucial process that helps scientists understand the life cycles of organisms and the development of human societies. Age determination refers to the methods used to ascertain the age of an organism or a specimen. This can involve various techniques, from examining physical characteristics to using advanced scientific methods such as radiocarbon dating. Understanding the age of an organism can provide valuable insights into its growth patterns, reproductive cycles, and overall health. For instance, in wildlife research, knowing the age of an animal can help in assessing its role in the ecosystem and its likelihood of survival in changing environments.In archaeology, age determination plays a vital role in uncovering the timeline of human history. By determining the age of artifacts, tools, and remains, researchers can piece together how ancient civilizations lived, what they valued, and how they interacted with their environment. Techniques like dendrochronology, which involves counting tree rings, and stratigraphy, which studies rock layers, are commonly used for age determination. These methods allow archaeologists to establish a chronological framework for their findings, leading to a deeper understanding of historical events and cultural evolution.Moreover, in the medical field, age determination is essential for diagnosing and treating diseases. For example, pediatricians often rely on age determination to assess the growth and development of children. Growth charts and developmental milestones are used to compare a child's progress against established norms for their specific age group. This information is critical for identifying potential health issues early on, ensuring that children receive the necessary interventions to support their growth.In forensic science, age determination can aid in criminal investigations. Forensic experts can estimate the age of skeletal remains or biological samples, which can provide crucial information in solving cases. This process can involve analyzing dental records, bone density, and other physical characteristics that change with age. The ability to determine the age of remains can help law enforcement identify victims or suspects and establish timelines for criminal activities.In conclusion, age determination is a multifaceted concept that spans various disciplines, including biology, archaeology, medicine, and forensic science. Each field employs different techniques and methodologies to ascertain age, but the underlying goal remains the same: to gain a better understanding of life and history. The implications of age determination extend beyond mere numbers; they offer insights into growth, development, and the intricate tapestry of life on Earth. As technology advances, the accuracy and reliability of age determination methods will continue to improve, further enhancing our knowledge and understanding of the world around us.

在生物学和人类学领域，年龄确定是一个至关重要的过程，帮助科学家理解有机体的生命周期和人类社会的发展。年龄确定指的是用来确定有机体或标本年龄的方法。这可能涉及各种技术，从检查物理特征到使用先进的科学方法如放射性碳定年。了解有机体的年龄可以提供有关其生长模式、繁殖周期和整体健康的重要见解。例如，在野生动物研究中，知道动物的年龄可以帮助评估它在生态系统中的角色以及在变化环境中生存的可能性。在考古学中，年龄确定在揭示人类历史的时间线中发挥着至关重要的作用。通过确定文物、工具和遗骸的年龄，研究人员可以拼凑出古代文明的生活方式、价值观以及与环境的互动。像树轮年代学（dendrochronology），即通过计算树木年轮来确定年龄，以及地层学（stratigraphy），研究岩层的形成，都是常用于年龄确定的技术。这些方法使考古学家能够为他们的发现建立一个时间框架，从而更深入地理解历史事件和文化演变。此外，在医学领域，年龄确定对于诊断和治疗疾病至关重要。例如，儿科医生通常依赖于年龄确定来评估儿童的生长和发展。生长图表和发展里程碑被用来将儿童的进展与特定年龄组的既定标准进行比较。这些信息对于早期识别潜在健康问题至关重要，确保儿童获得必要的干预以支持其生长。在法医科学中，年龄确定可以帮助刑事调查。法医专家可以估计骨骼遗骸或生物样本的年龄，这可以为案件解决提供关键的信息。这个过程可能涉及分析牙科记录、骨密度和其他随年龄变化的物理特征。确定遗骸年龄的能力可以帮助执法部门识别受害者或嫌疑人，并建立犯罪活动的时间线。总之，年龄确定是一个多方面的概念，横跨生物学、考古学、医学和法医科学等多个学科。每个领域都采用不同的技术和方法来确定年龄，但其根本目标始终是相同的：更好地理解生命和历史。年龄确定的影响超越了简单的数字；它们提供了关于生长、发展和地球上生命复杂织锦的见解。随着技术的进步，年龄确定方法的准确性和可靠性将继续提高，进一步增强我们对周围世界的知识和理解。