experimental investigation

简明释义

试验研究

英英释义

例句

1.The scientist conducted an experimental investigation to determine the effects of temperature on plant growth.

科学家进行了一项实验性研究，以确定温度对植物生长的影响。

2.During the experimental investigation, various samples were tested under controlled conditions.

在这项实验性研究中，各种样本在受控条件下进行了测试。

3.In the experimental investigation, researchers tested the hypothesis that light intensity affects photosynthesis rates.

在这项实验性研究中，研究人员测试了光强度是否影响光合作用速率的假设。

4.An experimental investigation was carried out to analyze the effectiveness of different fertilizers.

进行了一项实验性研究，以分析不同肥料的有效性。

5.The results of the experimental investigation provided valuable insights into the behavior of the new material.

这项实验性研究的结果为新材料的行为提供了宝贵的见解。

作文

In the realm of scientific research, the term experimental investigation refers to a systematic approach used to explore hypotheses and test theories through controlled experiments. This method plays a crucial role in various fields, including biology, chemistry, physics, and social sciences. By conducting an experimental investigation (实验性研究), researchers can gather empirical data that helps validate or refute their initial assumptions, leading to a deeper understanding of the subject matter.The process of an experimental investigation typically begins with identifying a research question or hypothesis. For instance, a scientist may wonder whether a specific fertilizer affects plant growth. To answer this question, they would design an experiment where one group of plants receives the fertilizer while another group does not. This setup allows for a direct comparison, helping to isolate the effects of the fertilizer from other variables.Once the experiment is designed, the next step involves careful execution. Researchers must ensure that all conditions are controlled so that any observed changes can be attributed solely to the variable being tested. In the example of plant growth, factors such as light, water, and soil type must remain constant between the two groups. This level of control is essential for the integrity of the experimental investigation (实验性研究) because it minimizes the risk of confounding variables skewing the results.After the experiment is conducted, the data collected must be analyzed. This analysis often involves statistical methods to determine whether the results are significant. In our example, if the plants treated with the fertilizer show significantly greater growth than those that were not, the hypothesis may be supported. However, if there is no significant difference, the initial hypothesis may need to be reevaluated.One of the key benefits of experimental investigation (实验性研究) is its ability to establish cause-and-effect relationships. Unlike observational studies, which can only identify correlations, experimental research allows scientists to manipulate variables and observe the outcomes directly. This capability is vital for advancing knowledge and developing new technologies or treatments in various fields.Moreover, the findings from an experimental investigation can lead to further questions and additional research. For example, if the initial study reveals that the fertilizer does enhance growth, researchers might then investigate the optimal amount of fertilizer needed or how different types of fertilizers compare. Each new question leads to more experimental investigations (实验性研究), creating a cycle of inquiry that drives scientific progress.However, it is important to note that not all questions can be answered through experimental investigation (实验性研究). Some phenomena are too complex or unethical to manipulate in a laboratory setting. In these cases, researchers may rely on observational studies or theoretical models to gain insights. Nonetheless, the rigor and reliability of experimental investigations make them a cornerstone of scientific methodology.In conclusion, experimental investigation (实验性研究) is an essential tool in the scientific process, allowing researchers to test hypotheses and uncover new knowledge. Through careful design, execution, and analysis, these investigations provide valuable insights that contribute to our understanding of the world. As science continues to evolve, the importance of experimental investigation will remain paramount in the quest for discovery and innovation.