What did the single-direction arrow in Longman electronic dictionary mean?

The electronic version usually refers to the electronic version obtained after a computer program or software digitizes a paper book, newspaper, magazine, or other document. It can be stored, edited, retrieved, and disseminated. Compared with the paper version, the electronic version had higher storability and wider transmission range, and it was also more convenient to carry and read. The production of electronic versions usually required the use of computer software such as e-book readers, e-magazine editing software, database management software, etc. Common electronic versions included PDFs, e-books, and image versions.

Electronic versions usually referred to digital files generated by computers that could be stored and transmitted to digital devices such as computers, mobile phones, tablets, etc. Unlike printed or handwritten versions, electronic versions can be edited, collated, typed, and modified using digital technology to make documents more accurate, easier to read, and save. Common electronic versions included e-books, e-magazines, e-books, and e-documents.

An electronic dictionary was a portable electronic dictionary that usually had the function of collecting a large number of novel reading materials. The electronic dictionary could store all kinds of novel materials in the memory through the Internet search and could be viewed at any time.

The Qing Emperor's arrow was a warning to the Eldest Princess. The Qing Emperor shot the arrow to show that he already had killing intent towards the Eldest Princess and to warn her not to cross his bottom line. This arrow pierced through the armor on the Eldest Princess 'back, symbolizing that the Qing Emperor's warning had touched her heart. The Qing Emperor's goal was to intimidate the Eldest Princess and make her understand that her actions could no longer be tolerated. At the same time, he also expressed that the relationship between the Qing Emperor and the Eldest Princess had been severed and that they were no longer family. The Qing Emperor had another meaning for shooting at the Eldest Princess. He hoped that the Eldest Princess would understand that she was no longer protected by her identity. Her identity would have no meaning in the Qing Kingdom.

A two-way arrow was a common emotional relationship in online literature. It referred to the positive relationship between two people, such as love and affection, as well as the negative relationship, such as mutual hatred and hostility. Usually, this relationship is a one-way arrow, where one party continues to express love or affection for the other party while the other party continues to express dissatisfaction or disgust with his actions or attitude. In a two-way, single-arrow relationship, there is usually an unhealthy psychological state in which one party continues to express love to the other party while the other party continues to reject or ignore this love, resulting in contradictions and conflicts between the feelings of both parties. This kind of relationship was often used in novels, anime, games, and other works to describe complex emotional relationships such as love, friendship, and family relationships to emphasize the complexity and contradiction of emotions.

Text version and electronic version are two commonly used terms in book publishing and e-reading. The specific explanation is as follows: Text Edition: It refers to the conversion of a paper book into an electronic form of a publication. Usually, the book needs to be scanned, and the content of the paper book needs to be converted into an electronic version. Then, the content of the paper book needs to be typed, edited, and proofread. Finally, the electronic version of the book is generated. Text versions were usually used in e-books, digital publishing, and other fields. Electronic edition (electronic edition): refers to the electronic book that can be read through an electronic computer or electronic device. Its basic form is a digitized text file that can be read through various electronic readers or software. The advantage of the electronic version was that it could be read anytime, anywhere and did not require additional hardware. It can also contain pictures, audio, video, and other media content. The electronic version was usually used for online novels, magazines, newspapers, and other publication.

Dulu was a Chinese word that could have many meanings. Dulu could be used as a measure word to describe a string or a cluster of things. It can also point to the state of drooping or drooping, as well as the sound produced by the continuous vibration of the tongue or small tongue. In addition, it could also be used to describe the appearance of objects or shapes, as well as situations where there were many of them. In the northern dialect, dulu was often used to replace the meaning of "a string". However, the specific information about the meaning of dulu was not found in the search results provided. Therefore, it was impossible to accurately answer the specific meaning of Dulu.

In the dictionary, the meaning of leisure books was "books with nothing to do".

The damage to the eyes from reading an e-book in an e-dictionary depends on many factors such as the font size, the time and method of reading, and so on. Generally speaking, the e-books in the electronic dictionary would not cause direct damage to the eyes, but if you read them for a long time and at a close distance, it might cause eye fatigue, headache, dry eyes and other problems. In order to reduce this damage, the following measures can be taken: Choose a suitable font size: When reading, you can choose a moderate font size to reduce the pressure on your eyes. 2, adjust the brightness and contrast of the screen: Lowering the brightness and contrast of the screen can reduce the stimulation of the screen to the eyes. 3. Take a break every once in a while: Reading e-books in the electronic dictionary for a long time is easy for the eyes to get tired, so you need to take a break every once in a while, such as standing up and walking around or closing your eyes to rest for a while. 4. Control reading time: When reading, you should avoid reading for a long time. You should maintain a certain distance and time when reading e-books in the electronic dictionary. 5. Use anti-blue light glasses: Anti-blue light glasses can effectively reduce eye fatigue and dry eyes. Therefore, if you need to read e-books in the electronic dictionary for a long time, you can wear anti-blue light glasses. Reading an e-book in an e-dictionary will not cause direct damage to the eyes, but you need to pay attention to the font size, brightness, and contrast, control the reading time, and use anti-blue glasses to reduce the pressure on the eyes.

The arrow symbol on Misaka Mikoto's uniform in books such as " Index of Forbidden Magic Books " and " Science Super Electromagnetic Gun " was often called Kouhou Ruu, a special symbol that represented magic or superpowers. The Kurukuru symbol was usually a triangle with three arrows. The apex and base of the triangle represented the control and release of magic or superpower. In some works, the Kurukuru symbol was also used to represent the name of the magic or superpower used by Misaka Mikoto. In " Science Super Electromagnetic Gun ", Misaka Mikoto's uniform was printed with the words " The strongest and invincible magic girl in the school city ".