decimals

简明释义

英[/ˈdɛsɪməlz/]美[/ˈdɛsɪməlz/]

n. [数]小数（decimal 的复数形式）；位数

英英释义

单词用法

同义词

反义词

例句

1.For values which are "naturally exact decimals" it's good to use decimal.

有关这是“自然确切小数”这是很好的使用十进制值。

2.You do fractions, then you do decimals.

你先学习分数，然后，学习小数。

3.Some non-integral values, like dollars-and-cents decimals, require exactness.

一些非整数值（如几美元和几美分这样的小数）需要很精确。

4.In these and other edit boxes, you can type decimals or fractions or expressions.

在编辑框中你可以使用十进制数据类型或分数或表达式。

5.The less decimals, the less time it takes to scan and understand the data.

小数位越少花在扫描和理解数据上的时间就越少。

6.Player ratings have decimals. E. g. a player can now score 7.2, rather than just 7.

球员评分加入了小数点。比如：可以为球员打7.2分，而不仅仅是7分。

7.Decimals and scientific notation are permissible for numeric values.

对于数值，允许使用小数和科学记数法。

8.The final score of each contestant will keep two decimals.

每位选手最后分数保留两位小数。

9.Display formats with elements, dimensions, decimals.

元素，大小，小数点的显示格式。

10.When calculating the budget, make sure to include all the necessary decimals 小数 for accuracy.

在计算预算时，请确保包含所有必要的decimals 小数以确保准确性。

11.In science, measurements often require decimals 小数 to provide precise data.

在科学中，测量通常需要decimals 小数以提供精确的数据。

12.The calculator can handle up to five decimals 小数 in its calculations.

这款计算器可以在其计算中处理最多五个decimals 小数。

13.When rounding numbers, it's important to decide how many decimals 小数 you want to keep.

在四舍五入数字时，决定要保留多少个decimals 小数是很重要的。

14.In programming, you may need to format numbers to a specific number of decimals 小数.

在编程中，您可能需要将数字格式化为特定数量的decimals 小数。

作文

Understanding the concept of decimals is crucial in mathematics and everyday life. Decimals are a way of expressing numbers that are not whole, allowing us to represent values that fall between integers. For instance, when we say 2.5, we are using a decimal to indicate that there is a value halfway between 2 and 3. This representation is not just a mathematical curiosity; it has practical applications in various fields such as finance, science, and engineering. In finance, decimals play an essential role in transactions. When dealing with money, we often encounter prices that are not whole numbers. For example, an item might cost $19.99 instead of $20. The use of decimals allows businesses to price their products more precisely, making them more appealing to consumers. Moreover, understanding decimals is vital for budgeting and financial planning. Individuals must be able to add, subtract, multiply, and divide decimals to manage their expenses effectively. In science, decimals are used to express measurements that require precision. For example, the height of a plant might be measured as 15.7 cm rather than simply rounding it to 16 cm. This level of detail can be crucial in experiments where small changes can significantly impact results. In fields like chemistry, decimals are used to indicate concentrations of solutions, ensuring that reactions occur correctly and safely. Engineering also heavily relies on decimals. When designing structures, engineers must calculate loads, dimensions, and tolerances with great accuracy. A slight miscalculation due to ignoring decimals could lead to catastrophic failures. Therefore, understanding how to work with decimals is fundamental for anyone pursuing a career in engineering. Moreover, teaching children about decimals from a young age lays a strong foundation for their future learning. It helps them grasp the concept of place value, which is essential for understanding the number system. Activities such as measuring ingredients in cooking or calculating distances in sports can provide practical examples of how decimals are used in real life. By engaging students with hands-on experiences, educators can make the learning process enjoyable and relevant. In conclusion, decimals are more than just a mathematical concept; they are a vital part of our daily lives. From managing finances to conducting scientific research and engineering projects, decimals enable us to express and manipulate numbers with precision. As we continue to navigate a world filled with complex data and measurements, the ability to understand and work with decimals will remain an invaluable skill. Therefore, it is essential to prioritize the teaching and understanding of decimals in both educational settings and practical applications, ensuring that individuals are well-equipped to face the challenges of the modern world.

理解小数这个概念在数学和日常生活中至关重要。小数是表达非整数的数字的一种方式，使我们能够表示介于整数之间的值。例如，当我们说2.5时，我们使用小数来表示在2和3之间有一个值。这种表示不仅仅是数学上的好奇心；它在金融、科学和工程等各个领域都有实际应用。 在金融领域，小数在交易中发挥着重要作用。当处理金钱时，我们经常会遇到不是整数的价格。例如，一件商品可能要价19.99美元，而不是20美元。使用小数使企业能够更精确地定价他们的产品，从而使其对消费者更具吸引力。此外，理解小数对于预算和财务规划至关重要。个人必须能够有效地加、减、乘、除小数以管理他们的开支。 在科学中，小数用于表示需要精确度的测量。例如，一株植物的高度可能被测量为15.7厘米，而不是简单地四舍五入到16厘米。这种细节水平在实验中可能至关重要，因为小的变化可能会显著影响结果。在化学等领域，小数用于表示溶液的浓度，以确保反应正确且安全地进行。 工程也严重依赖于小数。在设计结构时，工程师必须非常准确地计算载荷、尺寸和公差。由于忽视小数而导致的轻微错误可能会导致灾难性的失败。因此，理解如何处理小数对于任何追求工程职业的人来说都是基础。 此外，从小教孩子们关于小数的知识为他们未来的学习奠定了坚实的基础。这帮助他们掌握位值的概念，这对于理解数字系统至关重要。诸如在烹饪中测量成分或在体育中计算距离等活动可以提供关于我们如何在现实生活中使用小数的实际例子。通过让学生参与实践经验，教育工作者可以使学习过程变得愉快且相关。 总之，小数不仅仅是一个数学概念；它们是我们日常生活的重要组成部分。从管理财务到进行科学研究和工程项目，小数使我们能够精确地表达和操作数字。随着我们继续在充满复杂数据和测量的世界中航行，理解和使用小数的能力将仍然是一项宝贵的技能。因此，在教育环境和实际应用中优先考虑小数的教学和理解是至关重要的，以确保个人能够很好地应对现代世界的挑战。