unknown number

简明释义

未知数

英英释义

A number that is not known or has not been specified.

一个未知或未被指定的数字。

A figure or value that cannot be determined or identified at a given time.

在特定时间无法确定或识别的数字或数值。

例句

1.When I checked my call log, there were several missed calls from an unknown number.

当我查看通话记录时,发现有几个来自未知号码的未接来电。

2.The message was sent from an unknown number, and I couldn't identify the sender.

这条消息是从一个未知号码发送的,我无法识别发件人。

3.If you receive a text from an unknown number, be cautious before clicking any links.

如果你收到来自未知号码的短信,在点击任何链接之前要小心。

4.I received a call from an unknown number, so I didn't answer it.

我接到了一个来自未知号码的电话,所以我没有接。

5.She was hesitant to share her number because she often receives calls from unknown numbers.

她犹豫不决地分享自己的号码,因为她经常接到来自未知号码的电话。

作文

In our daily lives, we often encounter situations where we deal with an unknown number of variables. This concept can be applied to various fields, including mathematics, science, and even social interactions. Understanding the implications of an unknown number is crucial for making informed decisions and predictions.For instance, in mathematics, when we solve equations, we frequently come across unknown numbers. These are represented by variables such as x or y. The goal is to determine the value of these unknown numbers through various methods, such as substitution or elimination. This process not only enhances our problem-solving skills but also teaches us the importance of identifying what we do not know before we can find solutions.Similarly, in scientific research, researchers often work with unknown numbers when conducting experiments. For example, a scientist may not know the exact concentration of a substance in a solution. By using various techniques, they can estimate this unknown number and draw conclusions based on their findings. This uncertainty is a natural part of the scientific method, as it drives inquiry and leads to new discoveries.In social contexts, the concept of an unknown number can refer to the unpredictability of human behavior. When planning an event, organizers may anticipate an unknown number of attendees. This uncertainty can pose challenges, such as catering to varying food preferences or ensuring enough seating. However, it also allows for flexibility and creativity in planning.Moreover, technology has introduced new dimensions to the idea of unknown numbers. In data analysis, for example, analysts often deal with large datasets that contain unknown numbers of missing values. Identifying and managing these gaps is essential for accurate analysis and interpretation. Data scientists use statistical methods to estimate these unknown numbers, which can significantly impact the results of their studies.The concept of an unknown number also extends to personal finance. Individuals may face unknown numbers when budgeting for future expenses. Unexpected costs can arise, such as medical emergencies or car repairs, leading to financial strain. By preparing for an unknown number of potential expenses, individuals can create more resilient financial plans.In conclusion, the notion of an unknown number permeates various aspects of our lives. Whether in mathematics, science, social planning, technology, or personal finance, recognizing and addressing unknown numbers is vital for effective decision-making. Embracing uncertainty can lead to innovation, adaptability, and ultimately, success in navigating the complexities of life.

在我们的日常生活中,我们经常会遇到处理未知数的情况。这个概念可以应用于数学、科学甚至社会互动等各个领域。理解未知数的含义对于做出明智的决策和预测至关重要。例如,在数学中,当我们解决方程时,常常会遇到未知数。这些通常用变量如x或y表示。目标是通过各种方法(如代入法或消元法)来确定这些未知数的值。这一过程不仅增强了我们的解决问题的能力,还教会我们在找到解决方案之前识别我们不知道的内容的重要性。同样,在科学研究中,研究人员在进行实验时经常会处理未知数。例如,科学家可能不知道溶液中某种物质的确切浓度。通过使用各种技术,他们可以估算这个未知数并根据他们的发现得出结论。这种不确定性是科学方法的自然部分,因为它推动了探究并导致新的发现。在社会背景中,未知数的概念可以指人类行为的不可预测性。当计划一个活动时,组织者可能会预期会有未知数的参与者。这种不确定性可能会带来挑战,例如迎合不同的饮食偏好或确保有足够的座位。然而,这也为计划提供了灵活性和创造力。此外,技术为未知数的概念引入了新的维度。例如,在数据分析中,分析师经常处理包含未知数缺失值的大型数据集。识别和管理这些空白对于准确分析和解释至关重要。数据科学家使用统计方法来估计这些未知数,这可能会显著影响他们研究的结果。未知数的概念还延伸到个人财务。个人在预算未来开支时可能会面临未知数。意外费用可能会出现,例如医疗紧急情况或汽车维修,从而导致财务压力。通过为潜在的未知数费用做好准备,个人可以制定更具韧性的财务计划。总之,未知数的概念渗透到我们生活的各个方面。无论是在数学、科学、社会规划、技术还是个人财务中,认识到和应对未知数对于有效决策至关重要。拥抱不确定性可以带来创新、适应能力,最终在驾驭生活复杂性方面取得成功。