rachet

简明释义

英[ˈrætʃɪt]美[ˈrætʃɪt]

n. 棘轮，棘齿；救护车

vt. 安装棘齿于……

n. （Rachet）人名；（法）拉谢

英英释义

单词用法

同义词

反义词

例句

1.This type of rachet belongs to control type.

你好，这款羽拍属于控球型的。

2.This type of rachet belongs to control type.

你好，这款羽拍属于控球型的。

3.The rachet mechanism allows for smooth operation.

棘轮机制允许平稳操作。

4.He quickly adjusted the settings with a rachet wrench.

他迅速用棘轮扳手调整了设置。

5.I need to buy a new rachet for my toolbox.

我需要为我的工具箱买一个新的棘轮扳手。

6.Using a rachet makes it easier to work in tight spaces.

使用棘轮扳手可以更容易地在狭小空间内工作。

7.The mechanic used a rachet to tighten the bolts on the car.

机械师使用棘轮扳手来拧紧汽车上的螺栓。

作文

In the world of mechanics and engineering, the term rachet refers to a device that allows motion in one direction while preventing it in the opposite direction. This simple yet effective mechanism is utilized in various tools and machines, making it an essential component in many applications. Understanding the functionality and significance of the rachet can enhance our appreciation for the intricate designs that surround us daily.One common example of a rachet in use is the socket wrench. When tightening or loosening a bolt, the rachet mechanism allows the user to turn the handle in one direction without having to reposition the tool after each turn. This efficiency saves time and effort, especially in mechanical tasks that require precision and speed. The design of the rachet includes a pawl that engages with the teeth of a gear, allowing movement in only one direction. This characteristic ensures that once the desired tension is achieved, the bolt remains secure without the need for constant readjustment.Beyond tools, rachet mechanisms are also found in various machines, such as winches and hoists. These devices rely on the rachet to lift heavy loads by allowing the operator to pull in the cable without the risk of it slipping back down. This application highlights the importance of the rachet in safety and efficiency within industrial settings.The concept of rachet extends beyond physical devices; it can also be metaphorically applied to social and economic contexts. For instance, in discussions about progress, the term 'rachet effect' is often used to describe situations where advancements, once made, cannot be undone. This is particularly relevant in policy-making, where decisions aimed at improving societal welfare can lead to irreversible changes. Understanding this metaphorical use of rachet encourages critical thinking about the implications of our choices and the trajectory of development.Moreover, in the realm of technology, the rachet principle can be seen in algorithms that promote incremental improvements. For example, software updates often build upon previous versions, creating a rachet effect where enhancements are cumulative and progressive. This aspect of technology reflects a broader trend in innovation, where each advancement paves the way for the next, ultimately leading to a more sophisticated and capable system.In conclusion, the term rachet embodies both a specific mechanical function and a broader conceptual framework that applies to various fields. Whether we are discussing tools, machinery, social policies, or technological advancements, the rachet serves as a reminder of the importance of directionality and progression. As we continue to innovate and develop, recognizing the role of the rachet in our lives can inspire us to think critically about the choices we make and their long-term consequences. By embracing the principles behind the rachet, we can strive for advancements that are not only efficient but also sustainable and beneficial for future generations.

在机械和工程的世界中，术语rachet指的是一种允许单向运动而防止反向运动的装置。这种简单而有效的机制被广泛应用于各种工具和机器中，使其成为许多应用中的重要组成部分。理解rachet的功能和重要性可以增强我们对日常生活中复杂设计的欣赏。一个常见的rachet使用例子是套筒扳手。在拧紧或松开螺栓时，rachet机制允许用户在一个方向上转动手柄，而无需在每次转动后重新定位工具。这种效率节省了时间和精力，尤其是在需要精确和快速的机械任务中。rachet的设计包括一个与齿轮齿相接触的爪，允许仅在一个方向上移动。这一特性确保一旦达到所需的张力，螺栓将保持安全，而无需不断调整。除了工具，rachet机制还可以在各种机器中找到，例如卷扬机和起重机。这些设备依赖于rachet来提升重物，允许操作员拉入电缆而不必担心它滑回去。这一应用突显了rachet在工业环境中安全性和效率的重要性。rachet的概念不仅限于物理设备；它还可以在社会和经济背景中隐喻性地应用。例如，在讨论进步时，术语“rachet效应”常用于描述一旦取得的进展无法逆转的情况。这在政策制定中尤为相关，因为旨在改善社会福利的决策可能导致不可逆转的变化。理解rachet的这种隐喻用法鼓励我们批判性地思考我们的选择及其发展轨迹。此外，在技术领域，rachet原理可以在促进增量改进的算法中看到。例如，软件更新通常基于先前版本进行构建，形成rachet效应，其中增强是累积和渐进的。这一技术方面反映了创新中的更广泛趋势，即每一次进步为下一次铺平道路，最终导致更复杂和更强大的系统。总之，术语rachet既体现了特定的机械功能，也适用于各种领域的更广泛概念框架。无论我们是在讨论工具、机械、社会政策还是技术进步，rachet都提醒我们关注方向性和进步的重要性。随着我们继续创新和发展，认识到rachet在我们生活中的作用，可以激励我们批判性地思考我们所做的选择及其长期后果。通过接受rachet背后的原则，我们可以努力实现不仅高效而且可持续且对未来世代有益的进步。