phi

简明释义

英[faɪ]美[faɪ]

n. 希腊文的第21个字母；φ星

n. （Phi）（美）披（人名）

英英释义

单词用法

同义词

反义词

例句

1.PHI was applied to test the psychological health of the elite table-tennis players of Henan province.

选用《心理健康测查量表(PHI)》，对河南省高水平乒乓球运动员进行心理健康测试研究。

2.Their synchrony reduces the number of possible states the brain can be in, lowering its phi.

他们之间的同步性大大减少了大脑可能处于的状态，减小了phi值。

3.A So I get zero equals A times the cosine of phi.

我得到0等于,乘以cosφ

4.Such as the Phi skin, plate, can be Zama tail shape, popular hair stylist of all ages.

如披皮、盘发、可扎马尾等造型，深受美发造型师的喜爱。

5.Around the same time, in 2003, he synthesised the genome of a virus, Phi-X174, which has a mere 11 genes.

2003年，大约同时，他合成了一种只有11条基因病毒，Phi - X174，的基因组。

6.Moving rapidly through school, he graduated Phi Beta Kappa from the University of Kentucky at age 18.

在学校进步迅速，他十八岁时以优等生身份从肯塔基大学毕业。

7.The remaining areas lie empty and, Phi says, it will take a long time to complete the infrastructure of these IZs.

剩下的部分还闲置着，飞说，要完成这些工业区的基础设施建设需要很长一段时间。

8.Many natural patterns, such as the arrangement of leaves, exhibit phi in their structure.

许多自然模式，例如叶子的排列，在其结构中展现了phi。

9.In finance, some analysts use phi to evaluate investment opportunities based on growth potential.

在金融领域，一些分析师使用phi来评估基于增长潜力的投资机会。

10.The golden ratio, often denoted as phi, represents a special number approximately equal to 1.618.

黄金比例，通常用phi表示，代表一个特殊的数字，大约等于1.618。

11.In art and architecture, phi is used to create aesthetically pleasing proportions.

在艺术和建筑中，phi用于创造美观的比例。

12.The Fibonacci sequence approaches phi as the numbers increase.

随着数字的增加，斐波那契数列接近phi。

作文

In the world of mathematics and art, there exists a fascinating number known as phi, which is often referred to as the golden ratio. The phi value is approximately 1.6180339887, and it has captivated mathematicians, artists, and architects for centuries. This unique ratio can be found in various aspects of nature, human creations, and even in the way we perceive beauty. Understanding phi can provide insights not only into mathematical concepts but also into the aesthetics of design and nature.The golden ratio, phi, can be derived from the Fibonacci sequence, a series of numbers where each number is the sum of the two preceding ones. As one progresses through the sequence, the ratio of consecutive Fibonacci numbers approaches phi. This relationship highlights the intrinsic connection between mathematics and nature, as many natural phenomena exhibit this ratio, such as the arrangement of leaves on a stem or the pattern of seeds in a sunflower.Artists throughout history have utilized phi to create visually appealing compositions. For instance, Leonardo da Vinci employed the golden ratio in his renowned painting, the Mona Lisa. By positioning key elements of the painting according to the principles of phi, he achieved a sense of balance and harmony that continues to captivate viewers today. Similarly, modern designers and architects often incorporate phi into their work, ensuring that their creations resonate with the human eye and evoke a sense of beauty.In architecture, the Parthenon in Athens is a classic example of phi in action. The dimensions of this ancient temple were meticulously calculated to reflect the golden ratio, resulting in a structure that exudes elegance and proportion. This application of phi serves as a testament to the enduring influence of mathematics on architectural design and its ability to convey a sense of perfection.Beyond art and architecture, phi appears in various fields, including biology and physics. For instance, the proportions of the human body, such as the length of the forearm to the hand, often approximate the golden ratio. This phenomenon suggests that our perception of beauty may be deeply rooted in mathematical principles, influencing our preferences and choices.Moreover, phi is not just limited to physical forms; it also extends to concepts of growth and change. In economics, the golden ratio can be observed in market trends and patterns, where prices may fluctuate in relation to phi. This connection underscores the universality of phi across different domains, revealing its role as a bridge between the abstract world of mathematics and the tangible reality of our lives.In conclusion, the number phi represents more than just a mathematical constant; it embodies a profound connection between mathematics, nature, art, and human perception. By exploring the implications of phi, we gain a deeper appreciation for the underlying patterns that govern our world. Whether in the spirals of a seashell or the layout of a city, phi serves as a reminder of the beauty that arises from mathematical relationships, encouraging us to seek harmony and balance in our own creations and experiences.

在数学和艺术的世界中，有一个迷人的数字被称为phi，通常被称为黄金比例。phi的值大约为1.6180339887，它吸引了数学家、艺术家和建筑师几个世纪。这种独特的比例可以在自然、人工创造物以及我们感知美的方式中找到。理解phi不仅可以提供对数学概念的深入了解，还可以揭示设计和自然美学的奥秘。黄金比例phi可以从斐波那契数列中推导出来，这是一系列数字，其中每个数字是前两个数字的和。随着人们在数列中不断前进，连续斐波那契数字的比率接近phi。这种关系突显了数学与自然之间的内在联系，因为许多自然现象展现了这一比例，例如植物茎上的叶子排列或向日葵中的种子模式。历史上，艺术家们利用phi来创造视觉上令人愉悦的作品。例如，达芬奇在他著名的画作《蒙娜丽莎》中运用了黄金比例。通过将画作的关键元素根据phi的原则进行定位，他实现了一种平衡和和谐的感觉，至今仍吸引着观众。同样，现代设计师和建筑师常常将phi融入他们的作品中，确保他们的创作与人眼产生共鸣，并唤起一种美感。在建筑方面，雅典的帕台农神庙就是phi的经典例子。这个古老寺庙的尺寸经过精心计算，以反映黄金比例，从而形成一种优雅和比例感的结构。这种对phi的应用证明了数学对建筑设计的持久影响及其传达完美感的能力。除了艺术和建筑，phi还出现在生物学和物理学等多个领域。例如，人类身体的比例，如前臂与手的长度，往往接近黄金比例。这一现象表明，我们对美的感知可能深深植根于数学原则中，影响着我们的偏好和选择。此外，phi不仅限于物理形式；它也扩展到生长和变化的概念。在经济学中，黄金比例可以在市场趋势和模式中观察到，价格可能会相对于phi波动。这种联系强调了phi在不同领域中的普遍性，揭示了它作为数学抽象世界与我们生活的具体现实之间的桥梁的作用。总之，数字phi不仅仅代表一个数学常数；它体现了数学、自然、艺术和人类感知之间深刻的联系。通过探索phi的含义，我们对支配我们世界的基本模式有了更深刻的理解。无论是在海螺的螺旋形状还是城市的布局中，phi都提醒我们，数学关系所产生的美是值得追求的，鼓励我们在自己的创造和体验中寻求和谐与平衡。