direct measurement

简明释义

直接测量

英英释义

例句

1.In physics experiments, direct measurement of time can be done using a stopwatch.

在物理实验中，可以使用秒表进行时间的直接测量。

2.The engineer explained that direct measurement is essential for ensuring precision in manufacturing.

工程师解释说，直接测量对于确保制造精度至关重要。

3.For the height of the building, the architect preferred direct measurement rather than estimates.

对于建筑的高度，建筑师更喜欢直接测量而不是估算。

4.Using direct measurement, the researcher found that the temperature was higher than expected.

研究人员通过直接测量发现温度高于预期。

5.The scientist used direct measurement to determine the length of the object accurately.

科学家使用直接测量准确地确定了物体的长度。

作文

In the field of science and engineering, accurate data collection is essential for conducting experiments and making informed decisions. One of the most reliable methods of obtaining data is through direct measurement, which refers to the process of measuring a quantity directly using appropriate instruments without any intermediate calculations or conversions. This method stands in contrast to indirect measurements, where values are derived from other measurements or calculations. Understanding the importance of direct measurement can significantly enhance the reliability of research outcomes.For instance, when measuring the length of an object, a ruler can be used to obtain a direct measurement of its dimensions. This approach eliminates the potential errors that may arise from calculating length based on other parameters, such as area or volume. The simplicity and clarity of direct measurement make it a preferred choice in many scientific disciplines, including physics, chemistry, and biology.In physics, direct measurement is crucial for experiments involving forces, velocities, and other physical quantities. For example, when determining the mass of an object, a balance scale can provide a direct measurement of its weight. This method ensures that the data collected is accurate and reflects the true properties of the object being studied. In contrast, if one were to calculate mass based on gravitational force and acceleration, the risk of introducing errors increases due to the multiple variables involved.Similarly, in the field of chemistry, direct measurement is vital for quantifying concentrations of solutions or the volume of gases. When performing titrations, the volume of titrant added can be measured directly using a burette, providing a clear and precise direct measurement of the amount used. This direct approach not only enhances accuracy but also streamlines the experimental process, allowing researchers to focus on the analysis of their results rather than worrying about potential calculation errors.Moreover, direct measurement plays a significant role in engineering applications. Engineers often rely on direct measurement techniques to ensure that materials meet specific standards and requirements. For instance, when constructing a bridge, engineers must take direct measurements of the structural components to guarantee their strength and durability. Any inaccuracies in these measurements could lead to catastrophic failures, underscoring the necessity of using direct measurement methods in critical projects.In addition to its practical applications, understanding direct measurement also fosters a deeper appreciation for the scientific method. By emphasizing the value of obtaining data directly, students and researchers can develop a more rigorous approach to experimentation. This foundational knowledge encourages individuals to prioritize accuracy and precision in their work, ultimately contributing to advancements in science and technology.In conclusion, direct measurement is a fundamental concept that underpins many scientific and engineering practices. Its ability to provide accurate and reliable data makes it an indispensable tool for researchers and professionals alike. By prioritizing direct measurement in their work, individuals can enhance the quality of their findings and contribute to the ongoing pursuit of knowledge. As we continue to explore the intricacies of the natural world, embracing the principles of direct measurement will undoubtedly lead us toward greater discoveries and innovations.

在科学和工程领域，准确的数据收集对于进行实验和做出明智的决策至关重要。获取数据的最可靠方法之一是通过直接测量，它是指使用适当的仪器直接测量一个数量的过程，而无需任何中间计算或转换。这种方法与间接测量形成对比，后者是通过其他测量或计算得出的值。理解直接测量的重要性可以显著增强研究结果的可靠性。例如，在测量物体的长度时，可以使用尺子来获得其尺寸的直接测量。这种方法消除了基于其他参数（如面积或体积）计算长度时可能出现的潜在误差。直接测量的简单性和清晰性使其成为许多科学学科的首选，包括物理、化学和生物学。在物理学中，直接测量对于涉及力、速度和其他物理量的实验至关重要。例如，在确定物体的质量时，天平可以提供物体重量的直接测量。这种方法确保收集的数据准确无误，反映所研究物体的真实属性。相比之下，如果通过重力和加速度计算质量，由于涉及多个变量，引入误差的风险就会增加。同样，在化学领域，直接测量对于量化溶液浓度或气体体积至关重要。在进行滴定时，所添加的滴定剂体积可以直接使用滴定管进行测量，提供了清晰而精确的直接测量。这种直接的方法不仅提高了准确性，还简化了实验过程，使研究人员能够专注于结果分析，而不必担心潜在的计算错误。此外，直接测量在工程应用中也发挥着重要作用。工程师通常依赖直接测量技术来确保材料符合特定标准和要求。例如，在建造桥梁时，工程师必须对结构组件进行直接测量以确保其强度和耐久性。这些测量中的任何不准确都可能导致灾难性的故障，突显了在关键项目中使用直接测量方法的必要性。除了其实际应用外，理解直接测量还培养了对科学方法的更深刻理解。通过强调直接获取数据的价值，学生和研究人员可以发展出更严格的实验方法。这一基础知识鼓励个人在工作中优先考虑准确性和精确性，最终有助于科学和技术的进步。总之，直接测量是支撑许多科学和工程实践的基本概念。它能够提供准确可靠的数据，使其成为研究人员和专业人士不可或缺的工具。通过在工作中优先考虑直接测量，个人可以提高研究结果的质量，并为持续追求知识做出贡献。随着我们继续探索自然世界的复杂性，拥抱直接测量的原则无疑将引领我们走向更伟大的发现和创新。