rho

简明释义

英[rəʊ]美[roʊ]

n. 希腊字母表的第17个字母 （P, ρ）；（天文）ρ星

n. （Rho）（美、意）罗（人名）

复 数 r h o s

英英释义

单词用法

同义词

反义词

例句

1.Milan Expo will be located on a 1.7-million-square-meter site in the northwest of the city that includes parts of the municipal territories of Pero and Rho, according to Formigoni's master plan.

米兰博览会将设在1.7万平方米的遗址在西北的城市，包括对佩罗和Rho市部分领土，根据Formigoni的总体规划。

2.Objective To study the mechanism of endothelial Rho/Rho kinase in extravascular migration of fibrosarcoma cell.

目的研究内皮细胞Rho/Rho激酶在纤维肉瘤细胞血管外游走过程中的调控机制。

3.But, basically you don't really need to remember these formulas as long as you remember how to express r in terms of rho sine phi, and x equals r cos theta.

事实上你不用记住这些公式,只需要知道r=ρ*sinφ,而x=r*cosθ

4.Starting on the left, look for the Lagoon and Trifid nebulae, the Cat's Paw, the Pipe dark nebula, and the colorful clouds of Rho Ophiuchi and Antares (right).

从影像左方开始往右，分别可以找到潟湖星云、三裂星云、猫掌星云、烟斗星云以及色彩缤纷的心宿增四星和心宿二。

5.Now, the team has found the characteristic signature of light emitted by hydrogen peroxide, coming from part of the Rho Ophiuchi clouds.

现在，这一小组已经发现了来自于心宿增四星云的过氧化氢发射出的特有信号。

6.We tend to use the Greek letter rho, If you were to use Excel, it would be correl or sometimes I say corr.

我们习惯用希腊字母rho表示，如果你使用Excel，会用correl表示，有时我也用corr。

7.Objective To study the catalytic function of conservative basic amino acid arginine residue and lysine residue on rat heme oxygenase-1(RHO-1).

目的研究和探讨大鼠血红素加氧酶鄄1（RHO鄄1）中保守的碱性氨基酸精氨酸残基和赖氨酸残基对该酶催化功能的影响。

8.Rho meson gets quite much attention and is expected to carry information about the central fireball formed in the heavy ion collision, because its lifetime is shorter than that of the fireball.

介子由于其寿命小于碰撞中心区火球的寿命，可能反映高能重离子碰撞中心区的物质形态信息而被寄予厚望，受到广泛关注。

9.Researchers often use rho to quantify relationships between different variables.

研究人员通常使用rho来量化不同变量之间的关系。

10.The formula for calculating the Pearson correlation involves rho as a key variable.

计算皮尔逊相关的公式涉及rho作为关键变量。

11.In statistics, the symbol rho represents the population correlation coefficient.

在统计学中，符号rho表示总体相关系数。

12.When analyzing data, a rho value close to 1 indicates a strong positive correlation.

在分析数据时，接近1的rho值表示强正相关。

13.In finance, rho can indicate the sensitivity of an option's price to changes in interest rates.

在金融中，rho可以表示期权价格对利率变化的敏感性。

作文

In the realm of physics and mathematics, the Greek letter rho (ρ) plays a significant role, particularly in the fields of fluid dynamics and statistics. It is often used to represent density, which is a crucial concept when studying how substances interact with each other and their environments. Understanding rho allows scientists and engineers to calculate how much mass is contained within a given volume of material, which can influence everything from the design of aircraft to the study of ocean currents.For instance, in fluid dynamics, the density of a fluid is essential for determining its behavior under various conditions. When analyzing the flow of water in a river, engineers must consider the rho of the water to predict how it will react to obstacles, changes in temperature, and varying pressures. If the water is denser due to higher salinity or temperature changes, it will behave differently than less dense water. This understanding is vital for constructing bridges, dams, and other structures that interact with water.Moreover, in the field of statistics, rho is often used to denote correlation coefficients, which measure the strength and direction of a relationship between two variables. For example, when researchers study the correlation between education levels and income, they may calculate a correlation coefficient represented by rho. A high positive rho value indicates a strong correlation, suggesting that as education levels increase, so does income. Conversely, a low or negative rho value would imply little to no correlation or an inverse relationship. This statistical application of rho is vital for data analysis in various fields, including economics, psychology, and social sciences.The importance of rho extends beyond academia and engineering; it also finds relevance in everyday life. For example, when cooking, understanding the density of ingredients can affect the outcome of a recipe. A baker must know the rho of flour compared to sugar to achieve the desired texture and flavor in a cake. Similarly, in nutrition, understanding the density of different foods can help individuals make healthier choices by comparing caloric content relative to portion size.Furthermore, the use of rho in environmental science cannot be overlooked. The density of pollutants in the air or water can significantly impact ecological health. By measuring the rho of various contaminants, scientists can assess the potential risks to wildlife and human health. This information is critical for developing regulations and policies aimed at reducing pollution and protecting the environment.In conclusion, the Greek letter rho serves as a powerful symbol in various scientific and practical contexts. Its applications in physics, statistics, everyday cooking, and environmental science illustrate its versatility and importance. By grasping the concept of rho, individuals can enhance their understanding of the world around them, whether they are studying complex fluid dynamics or simply trying to perfect a recipe. Thus, rho is not just a letter; it represents a fundamental principle that influences many aspects of our lives.

在物理和数学领域，希腊字母rho（ρ）扮演着重要角色，尤其是在流体动力学和统计学领域。它通常用于表示密度，这是研究物质如何相互作用及其与环境关系时的一个关键概念。理解rho使科学家和工程师能够计算特定体积的材料中包含多少质量，这可能影响从飞机设计到海洋洋流研究的方方面面。例如，在流体动力学中，流体的密度对于确定其在各种条件下的行为至关重要。当分析河水的流动时，工程师必须考虑水的rho，以预测水如何对障碍物、温度变化和压力变化做出反应。如果由于高盐度或温度变化而使水的密度增加，它的行为将与密度较小的水不同。这种理解对于构建与水相互作用的桥梁、大坝和其他结构至关重要。此外，在统计学领域，rho通常用来表示相关系数，这些系数衡量两个变量之间关系的强度和方向。例如，当研究人员研究教育水平与收入之间的相关性时，他们可能会计算一个用rho表示的相关系数。高正rho值表明强相关性，暗示随着教育水平的提高，收入也在增加。相反，低或负rho值则意味着几乎没有相关性或反向关系。rho在统计学中的应用对于经济学、心理学和社会科学等各个领域的数据分析至关重要。rho的重要性不仅限于学术界和工程领域；它在日常生活中同样具有相关性。例如，在烹饪时，理解成分的密度会影响食谱的结果。烘焙师必须了解面粉与糖的rho，以达到蛋糕所需的质地和风味。同样，在营养学中，理解不同食物的密度可以帮助个人通过比较热量含量与份量大小做出更健康的选择。此外，rho在环境科学中的应用不容忽视。空气或水中污染物的密度可以显著影响生态健康。通过测量各种污染物的rho，科学家可以评估对野生动物和人类健康的潜在风险。这些信息对于制定旨在减少污染和保护环境的法规和政策至关重要。总之，希腊字母rho在各种科学和实践背景中作为一种强有力的象征。它在物理、统计、日常烹饪和环境科学中的应用展示了其多样性和重要性。通过掌握rho的概念，个人可以增强对周围世界的理解，无论他们是在研究复杂的流体动力学还是仅仅想要完善一个食谱。因此，rho不仅仅是一个字母；它代表了一种影响我们生活各个方面的基本原则。