hashing function的音標是[h???? f??n????],基本翻譯是哈希函數,速記技巧是可以用形象記憶法,例如“瞎”記法,因為hash諧音為瞎。Hash函數是一種將任意長度的二進制串映射為固定長度的二進制串的函數。這個固定長度的二進制串叫做哈希值。哈希函數將比它大得多的原始數據壓縮(或者說“映射”)成較小的、一維的、實際存儲的格式。
以下是英文中一些常見的哈希函數英文詞源及其變化形式和相關單詞:
1. Hashing Function(哈希函數): 源自拉丁語“hacer”和“hacer hash”,意為“制作”或“制造”。哈希函數是將輸入數據轉換為固定長度的哈希值的一種算法。
相關單詞:
hash table(哈希表):一種數據結構,用于存儲和檢索通過哈希函數生成的哈希值的數據。
hash collision(哈希沖突):當兩個不同的輸入產生相同的哈希值時,稱為哈希沖突。
hash function optimization(哈希函數優化):為了提高哈希函數的性能和效率,可以對哈希函數進行優化。
2. Cryptographic Hash Function(加密哈希函數): 源自希臘語“kryptos”和“hagnos”,意為“隱藏的”或“秘密的”。加密哈希函數是一種用于數據加密和驗證的哈希函數,通常用于數字簽名和數據完整性驗證。
相關單詞:
hash value(哈希值):由哈希函數生成的固定長度的數值。
hash algorithm(哈希算法):用于生成哈希值的算法。
hash strength(哈希強度):衡量哈希函數安全性的指標,通常通過抗碰撞能力和密鑰長度來衡量。
3. Hashing Algorithm(哈希算法): 源自拉丁語“hacer”和“algor”,意為“算法”。哈希算法是一種用于生成哈希值的算法,通常用于數據壓縮、加密和身份驗證等領域。
相關單詞:
hash function implementation(哈希函數實現):實現哈希函數的代碼或軟件。
hash function optimization(哈希函數優化):為了提高哈希算法的性能和效率,可以對哈希函數進行優化。
hash-based authentication(基于哈希的身份驗證):通過使用哈希值進行身份驗證的方法。
以上是一些常見的英文中與哈希函數相關的詞源、變化形式和相關單詞,這些詞匯在計算機科學和信息安全領域有著廣泛的應用。
常用短語:
1. hash function(哈希函數)
2. collision avoidance(避免碰撞)
3. key derivation(密鑰派生)
4. data compression(數據壓縮)
5. fingerprint generation(指紋生成)
6. hash table(哈希表)
7. data integrity(數據完整性)
雙語例句:
1. The hash function is used to generate unique identifiers for each item in the database. (哈希函數用于為數據庫中的每個項目生成唯一的標識符。)
2. Collision avoidance is crucial for maintaining the integrity of the data stored in the hash table. (避免碰撞對于維護哈希表中存儲的數據的完整性至關重要。)
3. The hash function is a powerful tool for quickly and efficiently searching large amounts of data. (哈希函數是一種快速而有效地搜索大量數據的有力工具。)
4. The fingerprint generation process ensures that the data has not been tampered with during transmission. (指紋生成過程確保數據在傳輸過程中沒有被篡改。)
5. Hash tables are commonly used in computer programming to store and retrieve data quickly and efficiently. (哈希表在計算機編程中通常用于快速而有效地存儲和檢索數據。)
6. Data compression is essential for reducing storage space and improving transmission efficiency when transmitting large amounts of data. (對于傳輸大量數據時,數據壓縮對于減少存儲空間和提高傳輸效率至關重要。)
7. The integrity of the data stored in the system must be maintained at all times to ensure reliable operation of the system. (系統存儲數據的完整性必須始終得到維護,以確保系統的可靠運行。)
英文小作文:
Hashing Functions in Modern Computing
Hashing functions are a crucial component of modern computing, playing a vital role in many applications, including databases, file systems, and web servers. They are used to generate unique identifiers for each item in a database, ensuring that no two records are mistakable for each other. This is crucial for collision avoidance, which is crucial for maintaining the integrity of the data stored in these systems.
Hashing functions are also used for data compression, reducing the amount of storage space needed to store large amounts of data, and improving transmission efficiency when transmitting such data over a network. Fingerprint generation, on the other hand, ensures that the data has not been tampered with during transmission, providing a reliable way to verify the authenticity of the data.
In addition, hash tables are commonly used in computer programming to store and retrieve data quickly and efficiently. They provide a fast and reliable way to access data based on its content, making it possible to search large amounts of data quickly and accurately. All of these applications rely on the accuracy and efficiency of hashing functions to function properly. As computing power continues to advance, hashing functions will continue to play an increasingly important role in modern computing.
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