secondary shield

简明释义

次级屏蔽层

英英释义

例句

1.The secondary shield in the nuclear reactor helps to minimize exposure to harmful radiation.

核反应堆中的次级屏障有助于减少对有害辐射的暴露。

2.The engineer designed a new secondary shield to protect the sensitive equipment from radiation.

工程师设计了一个新的次级屏障来保护敏感设备免受辐射的影响。

3.In the event of a power failure, the secondary shield will ensure that the system remains operational.

在停电的情况下，次级屏障将确保系统保持运行。

4.The construction workers installed a secondary shield around the site to enhance safety measures.

建筑工人们在工地周围安装了一个次级屏障以增强安全措施。

5.During the experiment, we used a secondary shield to prevent any accidental contamination.

在实验过程中，我们使用了一个次级屏障以防止任何意外污染。

作文

In today's world, technology plays a crucial role in our daily lives. As we continue to innovate and develop new devices, the need for safety and protection becomes increasingly important. One concept that has emerged in various fields, particularly in engineering and safety design, is the idea of a secondary shield (次级屏障). This term refers to an additional layer of protection designed to enhance safety and prevent potential hazards from causing harm. Understanding the significance of a secondary shield can help us appreciate its application in various contexts, such as nuclear power plants, medical equipment, and even personal safety gear.In nuclear power plants, for instance, a secondary shield serves as an extra barrier against radiation leaks. The primary containment structure is designed to hold any radioactive materials within, but in case of a failure, the secondary shield acts as a backup to further mitigate the risk of exposure to harmful radiation. This dual-layered approach ensures that even in the event of an accident, the likelihood of radiation escaping into the environment is significantly reduced. The implementation of a secondary shield in such critical infrastructures highlights the importance of redundancy in safety systems.Similarly, in the field of medical equipment, a secondary shield is often employed to protect both patients and healthcare professionals from unnecessary exposure to radiation during diagnostic procedures, such as X-rays or CT scans. These shields are usually made of lead or other dense materials that effectively absorb radiation. By incorporating a secondary shield, medical facilities can ensure that the benefits of these imaging techniques outweigh the risks associated with radiation exposure. This practice not only enhances patient safety but also fosters trust in medical technologies.Moreover, personal safety gear, such as helmets and protective clothing, can also be viewed through the lens of a secondary shield. For example, in sports like football or cycling, athletes wear helmets that serve as the primary means of protection against head injuries. However, some helmets are designed with additional features, such as shock-absorbing layers or visors, which can be considered a secondary shield. These enhancements provide extra protection and improve overall safety, demonstrating how the concept can be applied in everyday life.The idea of a secondary shield extends beyond physical barriers; it can also represent psychological and emotional support systems in our lives. For instance, having a strong support network of friends and family can act as a secondary shield against life's challenges. When we face difficulties, this network can provide guidance, encouragement, and a sense of security, helping us navigate through tough times. Just as physical secondary shields protect us from external threats, emotional support systems guard us against internal struggles.In conclusion, the concept of a secondary shield (次级屏障) is multifaceted and can be applied in various domains, from engineering and healthcare to personal safety and emotional well-being. By recognizing the importance of this additional layer of protection, we can better appreciate the measures taken to ensure safety in our lives. Whether it is through physical barriers or supportive relationships, the presence of a secondary shield can significantly enhance our resilience and security in an ever-evolving world.