The
observational study found that people who ate more fruits and vegetables had a lower risk of heart disease.
这项观察性研究发现，多吃水果和蔬菜的人患心脏病的风险较低。
Astronomers conduct long-term
observational projects to track the movement of celestial bodies.
天文学家进行长期的观测项目来追踪天体的运动。
Through careful
observational research, psychologists can better understand human behavior in different social contexts.
通过仔细的观察性研究，心理学家可以更好地理解在不同社会环境中的人类行为。
An
observational study on twins helps researchers understand the role of genetics in personality development.
对双胞胎进行的观察性研究有助于研究人员理解基因在性格发展中的作用。
In medicine,
observational studies are often used to evaluate the effectiveness of treatments not yet approved for widespread use.
在医学中，观察性研究常用于评估尚未广泛批准使用的治疗方法的有效性。
Ecologists carry out
observational studies to monitor changes in biodiversity over time in a particular ecosystem.
生态学家进行观察性研究，以监测特定生态系统中生物多样性随时间的变化。
Anthropologists use
observational methods to study the customs and traditions of indigenous cultures.
人类学家使用观察法研究土著文化的习俗和传统。
Parental
observational skills play a crucial role in identifying early signs of developmental disorders in children.
父母的观察技巧在识别儿童早期发育障碍迹象方面起着关键作用。
Economists conduct
observational studies to analyze the impact of fiscal policies on consumer spending habits.
经济学家进行观察性研究来分析财政政策对消费者消费习惯的影响。
Linguists employ
observational techniques to document and analyze endangered languages spoken by small communities.
语言学家使用观察技术记录和分析由小社区说的濒危语言。
The country boasts modern satellite programs, modern observational systems, and high-computing resources.
"But the main bottleneck is how to find qualified signals from massive observational data," Wang said.
Reinhard Genzel, professor at the University of Munich and emeritus professor at the University of California Berkeley, provided an overview of his 40 years of work in proving the existence of black holes through observational methods, and obtaining definitive evidence that led to the creation of a new field of research on supermassive celestial bodies.