time of exposure
简明释义
暴光时刻
英英释义
The duration for which an object, person, or surface is subjected to a particular condition, such as light, radiation, or a chemical substance. | 一个物体、个人或表面受到特定条件(如光、辐射或化学物质)影响的持续时间。 |
例句
1.To achieve a brighter image, you may need to increase the time of exposure on your camera.
为了获得更明亮的图像,您可能需要在相机上增加曝光时间。
2.The photographer adjusted the time of exposure to capture the sunset perfectly.
摄影师调整了曝光时间以完美捕捉日落。
3.The lab technician recorded the time of exposure for each sample during the experiment.
实验室技术员在实验过程中记录了每个样本的曝光时间。
4.In radiology, the time of exposure is critical for minimizing patient radiation dose.
在放射学中,曝光时间对于最小化患者辐射剂量至关重要。
5.For long exposure photography, increasing the time of exposure can create beautiful light trails.
在长时间曝光摄影中,增加曝光时间可以创造出美丽的光轨。
作文
The concept of time of exposure is crucial in various fields, particularly in photography and radiology. In photography, the time of exposure refers to the duration for which the camera's sensor or film is exposed to light. This time significantly affects the quality of the image captured. A longer time of exposure allows more light to hit the sensor, resulting in a brighter image, but it can also lead to motion blur if the subject moves during the exposure. Conversely, a shorter time of exposure freezes motion, producing a sharper image but may result in a darker photo unless compensated by increasing the ISO or aperture settings.In the realm of radiology, the time of exposure pertains to the period during which a patient is exposed to radiation during imaging procedures like X-rays or CT scans. Here, controlling the time of exposure is vital for minimizing the patient's radiation dose while still obtaining clear and diagnostic images. Radiologists must balance the time of exposure with other factors such as the type of imaging device used and the specific diagnostic needs. Excessive exposure time can lead to unnecessary radiation exposure, posing health risks to patients.Understanding the implications of time of exposure extends beyond technical considerations; it also involves the art of timing and precision. Photographers often experiment with varying times of exposure to achieve creative effects. For instance, long exposures can capture the movement of clouds or water, creating a dreamy effect that enhances the visual narrative of the photograph. This artistic use of time of exposure showcases how the manipulation of light and time can transform a simple image into a compelling story.Moreover, the time of exposure is not only relevant in controlled environments. In everyday life, we are constantly exposed to various stimuli for different durations. Our attention span, for example, can be thought of as a time of exposure to information or experiences. The longer we engage with something, the more likely we are to remember it. This principle applies to learning and retention, where prolonged exposure to educational material often leads to better understanding and recall.In conclusion, the time of exposure is a multifaceted concept that plays a significant role in photography, medicine, and our daily lives. Whether capturing a fleeting moment in a photograph or ensuring patient safety during medical imaging, understanding and mastering the time of exposure is essential. As we navigate through various experiences, recognizing the importance of time of exposure can help us appreciate the nuances of both art and science, ultimately enriching our understanding of the world around us.
“曝光时间”这一概念在许多领域中至关重要,尤其是在摄影和放射学中。在摄影中,曝光时间是指相机的传感器或胶卷暴露在光线下的持续时间。这段时间显著影响所捕捉图像的质量。较长的曝光时间允许更多的光线照射到传感器上,从而产生更亮的图像,但如果拍摄对象在曝光期间移动,可能会导致运动模糊。相反,较短的曝光时间则可以冻结动作,产生更清晰的图像,但如果不通过提高ISO或光圈设置来补偿,照片可能会变暗。在放射学领域,曝光时间是指患者在成像程序(如X光或CT扫描)中暴露于辐射的时间。此处,控制曝光时间对减少患者的辐射剂量至关重要,同时仍能获得清晰且具有诊断价值的图像。放射科医生必须在曝光时间与其他因素(如使用的成像设备类型和特定的诊断需求)之间取得平衡。过长的曝光时间可能导致不必要的辐射暴露,从而对患者造成健康风险。理解曝光时间的影响不仅限于技术考量;它还涉及时间和精确度的艺术。摄影师常常通过改变曝光时间来实现创意效果。例如,长时间曝光可以捕捉云彩或水流的运动,创造出梦幻般的效果,从而增强照片的视觉叙事。这种对曝光时间的艺术性运用展示了如何操控光和时间,可以将简单的图像转变为引人入胜的故事。此外,曝光时间并不仅仅适用于受控环境。在日常生活中,我们不断地以不同的持续时间接触各种刺激。我们的注意力跨度,例如,可以被视为对信息或经历的曝光时间。我们与某事物的接触时间越长,越有可能记住它。这一原则适用于学习和记忆,长期接触教育材料通常会导致更好的理解和回忆。总之,曝光时间是一个多面的概念,在摄影、医学和我们的日常生活中发挥着重要作用。无论是捕捉瞬间的照片,还是确保医疗成像过程中的患者安全,理解和掌握曝光时间都是必不可少的。当我们在各种经历中穿行时,意识到曝光时间的重要性可以帮助我们欣赏艺术与科学的细微差别,从而最终丰富我们对周围世界的理解。